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Fabre Minerals


Reference Specimens
South America (excl. Brazil)

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Photos by Fabre Minerals. Under Creative Commons license

This page gathers together the specimens that, because of their quality, rarity or interesting locality,
we wish to maintain on our web site as reference specimens although they have been sold.

Blue Dolomite
Blue Dolomite.

TM98V4: Irregular aggregate of deformed rhombohedral crystals with slightly curved faces and edges. They are completely transparent, with a nice, very intense and uniform blue color (really unusual for the species) and they are on matrix. The sample has been analyzed and we’ll send a copy of the analysis to the buyer.
This specimen's photo has been reviewed and published in the magazine ‘Mineralogical Record’ Jan-Feb 2016, page 56, volume 47, number 1
Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department  Colombia (2008-2009)

Specimen size: 6 × 3.5 × 4.2 cm = 2.4” × 1.4” × 1.7”

Main crystal size: 1.4 × 0.9 cm = 0.6” × 0.4”

Beryl (variety emerald) replacing fossil

MB68I5: Fossilization on emerald, in this case a Gastropod, is very, very, rare. On the surface of he fossil, with the recrystallization of emerald there are also small but easily distinguishable crystals of Pyrite.
Matecaña, El Diamante, Gachalá, Cundinamarca  Colombia (03/2006)

Specimen size: 1.3 × 1.1 × 0.9 cm = 0.5” × 0.4” × 0.4”

Beryl (variety emerald) replacing fossil.
Beryl (variety emerald) replacing fossil
Beryl (variety emerald) replacing fossil. Front
Front
Beryl (variety emerald) replacing fossil. Rear
Rear

TQ19H8: Even with its small size, the specimen is exceptional due the perfect preservation of the fossil. We must consider that fossilizations by Emerald, recently introduced, is quite extraordinary.
Matecaña, El Diamante, Gachalá, Cundinamarca  Colombia (03/2006)

Specimen size: 1.4 × 1.3 × 0.8 cm = 0.6” × 0.5” × 0.3”

Baryte

TR64V2: A novelty at Tucson 2012. Group on matrix of laminar crystals between translucent and transparent with very intense yellow color. The sample is from a locality and a mine that is quite new.
Mina La Pava, Supia, Caldas  Colombia (11/2011)

Specimen size: 6.4 × 3.6 × 2.3 cm = 2.5” × 1.4” × 0.9”

Main crystal size: 2.3 × 2.2 cm = 0.9” × 0.9”

Baryte. Front
Front
Baryte. Rear
Rear
Alabandite with Rhodochrosite
Alabandite with Rhodochrosite. Front
Front
Alabandite with Rhodochrosite. Top
Top

MA50R4: A novelty in Munich 2010. Group of elongated cubo-octahedral crystals of very well defined faces and edges and of a considerable size for this species. One of the crystals at the center of the group shows, very visible, the Spinel law twin. This species is very rare, especially in easily seen, well developed crystals as in this case.
Uchucchacua Mine, level 300, ↓895m., Oyón Province, Lima Department  Peru (09/2009)

Specimen size: 3.3 × 2.3 × 2.1 cm = 1.3” × 0.9” × 0.8”

Main crystal size: 1.3 × 0.9 cm = 0.5” × 0.4”

Alabandite with Calcite and Rhodochrosite

MD67T6: Group of octahedral crystals of Alabandite with very sharp faces and edges, neatly Spinel law twinned, with an intensity of luster very uncommon for the species. In matrix, with Rhodochrosite.
Uchucchacua Mine, level 300, ↓895m., Oyón Province, Lima Department  Peru (09/2009)

Specimen size: 3.9 × 3 × 2.7 cm = 1.5” × 1.2” × 1.1”

Main crystal size: 0.7 × 0.4 cm = 0.3” × 0.2”

Calcite fluorescent long & short UV

Alabandite with Calcite and Rhodochrosite. Alabandite with Calcite and Rhodochrosite.
Alabandite with Calcite
Alabandite with Calcite. Alabandite with Calcite.

ME51T6: A really big crystal with a neat Spinel law twin, a luster more intense than usual for the species, and partially coated by small crystals of Calcite.
Uchucchacua Mine, level 300, ↓895m., Oyón Province, Lima Department  Peru (09/2009)

Specimen size: 4.6 × 2.7 × 2.2 cm = 1.8” × 1.1” × 0.9”

Main crystal size: 3.4 × 2 cm = 1.3” × 0.8”

Calcite fluorescent long & short UV

Silver with Calcite and Galena

EC90N8: A novelty in Ste. Marie 2009. Excellent arborescent growth of native Silver, very aerial, with attractive curvature and on matrix, with Calcite and Galena.
Uchucchacua Mine, Oyón Province, Lima Department  Peru (02/2009)

Specimen size: 6.1 × 4.8 × 2.5 cm = 2.4” × 1.9” × 1.0”

Main crystal size: 2.5 × 1.5 cm = 1.0” × 0.6”

Silver with Calcite and Galena. Front
Front
Silver with Calcite and Galena. Rear
Rear
Rhodochrosite with Quartz
Rhodochrosite with Quartz. Rhodochrosite with Quartz.

AV97AE4: Rhodochrosite crystals with a prismatic shape and rhombohedral terminations over a matrix of manganese oxides. They are very transparent, with an intense red color, and are with clear Quartz crystals.
Uchucchacua Mine, Oyón Province, Lima Department  Peru

Specimen size: 4 × 3.7 × 1.9 cm = 1.6” × 1.5” × 0.7”

Main crystal size: 0.7 × 0.6 cm = 0.3” × 0.2”

Rhodochrosite with manganese oxides

EQ36AC4: Sharp and very well defined crystals with the faces of a prism, a scalenohedron and a terminal rhombohedron. They are transparent, bright, with a very vivid, deep and luminous color. On a matrix with botryoidal aggregates of manganese oxides. At the base of the dominant crystal there is a recrystallized natural fissure.
Uchucchacua Mine, Oyón Province, Lima Department  Peru

Specimen size: 5.4 × 5.1 × 5.8 cm = 2.1” × 2.0” × 2.3”

Main crystal size: 1.7 × 0.7 cm = 0.7” × 0.3”

Rhodochrosite with manganese oxides. Front
Front
Rhodochrosite with manganese oxides. Non-filtered light
Non-filtered light
Rhodochrosite with manganese oxides. Filtered light
Filtered light
Rhodochrosite with manganese oxides
Rhodochrosite with manganese oxides. Rhodochrosite with manganese oxides.

EG70AE4: Aggregate of Rhodochrosite crystals with a prismatic shape and rhombohedral termination. Very transparent with an intense red color and in a vug coated by manganese oxides on a rocky matrix.
Uchucchacua Mine, Oyón Province, Lima Department  Peru (2006)

Specimen size: 5.7 × 4.6 × 4.2 cm = 2.2” × 1.8” × 1.7”

Main crystal size: 0.7 × 0.7 cm = 0.3” × 0.3”

Rhodochrosite with manganese oxides

MD94AD2: Very sharp and acute scalenohedral Rhodochrosite crystals. They are transparent, have a very intense red color, and are on a matrix of manganese oxides with small Quartz crystals. The sample is very characteristic of Uchucchacua and it is better conserved than usual.
Uchucchacua Mine, Oyón Province, Lima Department  Peru (±2000)

Specimen size: 7.4 × 6 × 5.7 cm = 2.9” × 2.4” × 2.2”

Main crystal size: 1.6 × 0.9 cm = 0.6” × 0.4”

Rhodochrosite with manganese oxides. Rhodochrosite with manganese oxides.
Rhodochrosite with manganese oxides.
Proustite
Proustite. Front
Front
Proustite. Side
Side
Proustite. Side detail
Side detail

TR54D9: Proustite with Rhodocrosite and Quartz. It is very aerial, very esthetic, perfect, and shows a good contrast with the matrix. There is a first generation of darker crystals and a second one of redder ones. The specimen has been analyzed and we will send a copy of the analysis to the person that buys it.
Uchucchacua Mine, Oyón Province, Lima Department  Peru (2003)

Specimen size: 6 × 5.8 × 3.5 cm = 2.4” × 2.3” × 1.4”

Main crystal size: 0.3 cm = 0.1”

Axinite-(Fe) with Quartz and Albite

EP13Y7: A novelty at Munich 2013. Very sharp Axinite-(Fe) crystals, most of them doubly terminated and showing parallel growths. Transparent, very bright and with a very deep color, they are on a matrix with small Quartz crystals, Albite and Epidote.
Sayan , Huaura Province, Lima Department  Peru (2013)

Specimen size: 6.5 × 5.4 × 2.5 cm = 2.6” × 2.1” × 1.0”

Main crystal size: 1 × 0.5 cm = 0.4” × 0.2”

Axinite-(Fe) with Quartz and Albite. Axinite-(Fe) with Quartz and Albite.
Axinite-(Fe) with Albite and Epidote
Axinite-(Fe) with Albite and Epidote. Axinite-(Fe) with Albite and Epidote.

EG11Y7: A novelty at Ste. Marie 2013. Very sharp Axinite-(Fe) crystals, most of them doubly terminated and showing parallel growths. Transparent, very bright and with a very deep color, they are on a matrix with Epidote and small Albite crystals.
Sayan , Huaura Province, Lima Department  Peru (2013)

Specimen size: 9.5 × 7.4 × 2.8 cm = 3.7” × 2.9” × 1.1”

Main crystal size: 0.8 × 0.5 cm = 0.3” × 0.2”

Axinite-(Fe) with Quartz and Epidote

To see a larger 3D image please
click here or on the image

MA16Y8: A novelty at Munich 2013. Very sharp Axinite-(Fe) crystals. They are translucent, very bright, have very well defined parallel growths and are on a matrix of Quartz crystals with two fan-like Epidote aggregates. Due its size, perfection and the pleasant disposition of the Axinite-(Fe) crystals on the Quartz, it is undoubtedly one of the best samples from this new locality that we have seen.
Sayan , Huaura Province, Lima Department  Peru (02/2013)

Specimen size: 15.5 × 11.5 × 6.7 cm = 6.1” × 4.5” × 2.6”

Main crystal size: 1 × 0.4 cm = 0.4” × 0.2”

Axinite-(Fe) with Quartz and Epidote. Axinite-(Fe) with Quartz and Epidote.
Axinite-(Fe) with Quartz and Epidote. Axinite-(Fe) with Quartz and Epidote.
Epidote with Axinite-(Fe)
Epidote with Axinite-(Fe). Epidote with Axinite-(Fe).

TQ56Z3: Fan-like growths of strongly flattened Epidote crystals, darker at their center and clearer on the edges. They are with sharp, translucent, bright and doubly terminated Axinite-(Fe) crystals.
Sayan , Huaura Province, Lima Department  Peru (2013)

Specimen size: 5.3 × 3.7 × 2.4 cm = 2.1” × 1.5” × 0.9”

Axinite-(Mn) with Epidote

TG88AD1: A novelty at Tucson 2016. Aggregates of very sharp brown-colored Axinite crystals, some of them doubly terminated, between transparent and translucent, very bright and on matrix, with Epidote crystals. We have two different analysis, so we will send copy of both analysis to the buyer.
Canta, Canta District, Canta Province, Lima Department  Peru (09-11/2015)

Specimen size: 5.2 × 3.9 × 3.9 cm = 2.0” × 1.5” × 1.5”

Main crystal size: 3.2 × 1.1 cm = 1.3” × 0.4”

Axinite-(Mn) with Epidote. Front
Front
Axinite-(Mn) with Epidote. Side
Side
Pyrargyrite
Pyrargyrite.

LP29E9: A group of crystals that combine the forms of a well-defined, brilliant ditetragonal prism with those of the rhombohedron whose faces have grown in a curved form, which makes them look rounded. It is a floater. It comes from the David Lucas collection, number 807, and we will give the buyer the original label.
Mina San Genaro, Huancavelica  Peru

Specimen size: 2.3 × 1.7 × 1.5 cm = 0.9” × 0.7” × 0.6”

Main crystal size: 1.9 × 0.9 cm = 0.7” × 0.4”

Sphalerite with Galena, Quartz and Pyrite

VE13I0: Group of complex crystals in which we clearly note the triangular faces of the tetrahedron with a lot of echelons. On the matrix of Pyrite, very rich with small Quartz crystals, also appear some cubic crystals of Galena.
Julcani, Huancavelica  Peru

Specimen size: 10.8 × 8 × 5 cm = 4.3” × 3.1” × 2.0”

Main crystal size: 1.8 × 1.7 cm = 0.7” × 0.7”

Sphalerite with Galena, Quartz and Pyrite.
Sphalerite with Galena, Quartz and Pyrite.
Rhodochrosite with Baryte and Pyrite
Rhodochrosite with Baryte and Pyrite. Rhodochrosite with Baryte and Pyrite.

EA96X1: Group of very flattened rhombohedral crystals of Rhodochrosite with very well pronounced curvatures of their faces and edges. They have an intense and uniform pink color and are with a white crystal of Baryte and small Pyrite crystals. The locality, not well known, has been adequately verified.
Huachocolpa, Huancavelica, Departamento Huancavelica  Peru

Specimen size: 7.7 × 4.5 × 1.8 cm = 3.0” × 1.8” × 0.7”

Main crystal size: 1 × 0.8 cm = 0.4” × 0.3”

Epidote with Calcite

TT16J7: Radial groups of small acicular crystals of exceptional color, luster and transparency. The matrix is formed by tabular crystals of Calcite. The sample is very esthetic.
La Gringa Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (02/2007)

Specimen size: 3.9 × 3.6 × 2.4 cm = 1.5” × 1.4” × 0.9”

Main crystal size: 0.4 × 0.1 cm = 0.2” × 0.0”

Calcite fluorescent long & short UV

Epidote with Calcite.
Epidote with Calcite.
Epidote with twinned Calcite
Epidote with twinned Calcite. Epidote with twinned Calcite.

TR50L0: Groups of acicular to prismatic Epidote crystals, with a really excellent luster and pistachio green color, typical for this specie. Epidote is partially covering twinned Calcite crystals showing a very esthetic contrast.
La Gringa Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (10/2007)

Specimen size: 10.1 × 6.5 × 3.8 cm = 4.0” × 2.6” × 1.5”

Main crystal size: 0.5 × 0.1 cm = 0.2” × 0.0”

Calcite fluorescent long & short UV

Manganoan Calcite with Pyrite

TB96H7: Bundles of scalenohedral, extraordinarily acute, crystals. Furthermore the esthetic shape of the specimen, the color and the luster are very good and the group is on a matrix rich of small crystals of Pyrite.
Pachapaqui, Bolognesi, Departamento Ancash  Peru (2003)

Specimen size: 8.8 × 8 × 2.9 cm = 3.5” × 3.1” × 1.1”

Extremely fluorescent long & short UV

Manganoan Calcite with Pyrite.
Manganoan Calcite with Pyrite.
Rhodochrosite
Rhodochrosite.

VP27Y4: Sharp rhombohedral Rhodochrosite crystal with a very intense and uniform pink color and good luster. It is on matrix and partially coated by clear Quartz crystals.
Pasto Bueno District, Pallasca Province, Ancash Department  Peru

Specimen size: 3.3 × 2.8 × 1.8 cm = 1.3” × 1.1” × 0.7”

Main crystal size: 1.8 × 1.5 cm = 0.7” × 0.6”

Former collection of A. Mayor

Hübnerite with Quartz

VQ86Y5: Group of flattened and deeply striated crystals. They are translucent, extraordinarily bright and have a magnificent deep red color with very vivid reddish reflections. The crystals are on a matrix of fine Quartz crystals.
Pasto Bueno, Pallasca, Ancash  Peru (±1978)

Specimen size: 3.9 × 3.6 × 3.7 cm = 1.5” × 1.4” × 1.5”

Main crystal size: 3.2 × 1.5 cm = 1.3” × 0.6”

Former collection of A. Mayor

Hübnerite with Quartz. Front
Front
Hübnerite with Quartz. Side
Side
Octahedral Fluorite on Quartz
Octahedral Fluorite on Quartz. Octahedral Fluorite on Quartz.
Octahedral Fluorite on Quartz.
Octahedral Fluorite on Quartz

JD86AB9: Aggregates of octahedral Fluorite crystals truncated by the cube faces, translucent, with a uniform green color and on matrix, with small Quartz crystals. This Fluorite, very esthetic and of excellent quality, is from a Peruvian locality from which there are very few samples.
It was from the James Catmur collection (reg. B653 -E390B), whose label we’ll send to the buyer.
Huayllapon Mine (Huallapon Mine), Pasto Bueno District, Pallasca Province, Ancash Department  Peru

Specimen size: 14.5 × 9 × 6.8 cm = 5.7” × 3.5” × 2.7”

Main crystal size: 4.5 × 4.1 cm = 1.8” × 1.6”

Fluorescent long & short UV

Former collection of James Catmur

Augelite with Quartz (Japan law twin)

TE90AB6: Very sharp isolated Augelite crystals, one of them clearly dominant, with very well defined faces and edges, with an excellent vivid green color and on a matrix with fine clear Quartz crystals, one of them implanted on the main Augelite crystal forming a small but very sharp and perfectly defined Japan Law twin.
Mundo Nuevo mining area, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department  Peru (07/2014)

Specimen size: 7 × 5.6 × 4.5 cm = 2.8” × 2.2” × 1.8”

Main crystal size: 1.6 × 1.5 cm = 0.6” × 0.6”

Augelite with Quartz (Japan law twin). Augelite with Quartz (Japan law twin).
Augelite with Hübnerite and Quartz
Augelite with Hübnerite and Quartz. Augelite with Hübnerite and Quartz.

MC29W8: A novelty at Munich 2012. Though they have sporadically appeared in previous years, due to their relative abundance this year and the quality both of the samples and the individual crystals, they can be considered as a novelty. The crystals have a considerable size for the species, they are bright, between translucent and transparent, and they have a clear apple green color. In this sample they are with crystals of Hübnerite, some of them doubly terminated, and are on a matrix of clear crystals of Quartz.
Tamboras Mine, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department  Peru (08/2012)

Specimen size: 7 × 5.2 × 3.5 cm = 2.8” × 2.0” × 1.4”

Main crystal size: 1.8 × 1.5 cm = 0.7” × 0.6”

Augelite with Quartz

MA13W8: A novelty at Munich 2012. Though they have sporadically appeared in previous years, due to their relative abundance this year and the quality both of the samples and the individual crystals, they can be considered as a novelty. The crystals, many of them doubly terminated, have a considerable size for the species, they are bright, between translucent and transparent, and they have a clear apple green color and are on a rocky matrix with clear crystals of Quartz. This sample is one of the best obtained from the locality due to the size, quantity and quality of its crystals.
This specimen was photographed and published as a novelty at the 2012 Munich Show in the magazine ‘Le Règne Minéral’ number 108, page 39
Tamboras Mine, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department  Peru (08/2012)

Specimen size: 10 × 7.2 × 4.2 cm = 3.9” × 2.8” × 1.7”

Main crystal size: 1.3 × 1 cm = 0.5” × 0.4”

Augelite with Quartz.
Augelite with Quartz. Augelite with Quartz.
Lautite with Tennantite-Tetrahedrite, Hübnerite, Quartz and Pyrite
Lautite with Tennantite-Tetrahedrite, Hübnerite, Quartz and Pyrite. Lautite with Tennantite-Tetrahedrite, Hübnerite, Quartz and Pyrite.

TJ56AD1: A novelty at Tucson 2016. Flattened radial Lautite growths, with a good length for this rare sulphoarsenide. They are implanted on the faces of very sharp Tetrahedrite-Tennantite crystals with an octahedral shape, on matrix and with Quartz, Pyrite and small flattened Hübnerite crystals.
Mundo Nuevo mining area, La Gringa vein, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department  Peru (11/2015)

Specimen size: 4.8 × 4.5 × 2.6 cm = 1.9” × 1.8” × 1.0”

Main crystal size: (Lautite) 0.1 × 0.1 cm = 0.0” × 0.0”

Lautite with Tennantite-Tetrahedrite, Quartz and Pyrite

TA49AD1: A novelty at Tucson 2016. Very well defined Lautite crystals and radial growths, with a considerable length for this rare sulphoarsenide. They are implanted on the faces of very sharp Tetrahedrite-Tennantite crystals. On matrix, with Quartz and Pyrite.
Mundo Nuevo mining area, La Gringa vein, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department  Peru (11/2015)

Specimen size: 5.7 × 3 × 3.8 cm = 2.2” × 1.2” × 1.5”

Main crystal size: (Lautite) 0.2 × 0.1 cm = 0.0” × 0.0”

Lautite with Tennantite-Tetrahedrite, Quartz and Pyrite. Front
Front
Lautite with Tennantite-Tetrahedrite, Quartz and Pyrite. Rear
Rear
Lautite with Tennantite-Tetrahedrite, Quartz and Pyrite.
Enargite with Tetrahedrite
Enargite with Tetrahedrite.

DB16I7: Group of prismatic crystals with pinacoidal terminations. They are all partially covered by small tetrahedral crystals of Tetrahedrite.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru

Specimen size: 8.1 × 6.2 × 3.3 cm = 3.2” × 2.4” × 1.3”

Main crystal size: 4.3 × 1.3 cm = 1.7” × 0.5”

Orpiment

VK49Y5: Group of crystals, on matrix, with very well defined faces and edges, translucent, with an orange color and a very intense luster. The crystals, very luminous, have been magnificently preserved despite the long time that has passed since the sample was recovered in 1978. Such samples are currently considered as Peruvian classics.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru (±1978)

Specimen size: 5.7 × 5.2 × 3 cm = 2.2” × 2.0” × 1.2”

Main crystal size: 1.9 × 1.6 cm = 0.7” × 0.6”

Former collection of A. Mayor

Orpiment. Front
Front
Orpiment. Light behind
Light behind
Orpiment. Without light behind
Without light behind
Pyrite with Quartz
Pyrite with Quartz.

TA26H3: Group of very individualized crystals of striated faces and a high luster, with acute prismatic crystals of Quartz. Very esthetic.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru

Specimen size: 6.2 × 5.6 × 4.2 cm = 2.4” × 2.2” × 1.7”

Main crystal size: 1.5 × 1.3 cm = 0.6” × 0.5”

Pyrite with Quartz and Sphalerite

TQ96J3: Exceptionally complex crystals, very rich in faces, very bright, implanted on a druse of Quartz and partially covered by Sphalerite. In this case the Sphalerite is very fluorescent, which is uncommon. We analyzed it and the result shows that the Sphalerite is manganese rich, so that could be the reason for its fluorescence. We'll send this analysis to the buyer of the specimen.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru

Specimen size: 10.9 × 6.5 × 6.2 cm = 4.3” × 2.6” × 2.4”

Main crystal size: 3.6 × 3.3 cm = 1.4” × 1.3”

Sphalerite fluorescent long & short UV
Pyrite with Quartz and Sphalerite.
Pyrite with Quartz and Sphalerite.
Hutchinsonite with Orpiment and Quartz
Hutchinsonite with Orpiment and Quartz. Hutchinsonite with Orpiment and Quartz.

TQ58AD1: Isolated crystals and bundle-like aggregates of Hutchinsonite, a rare sulphoarsenide of thallium and lead, with elongated crystals that have very well defined faces and edges and are very much brighter than usual for the species. They are on matrix, with Orpiment and Quartz.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru (09/2015)

Specimen size: 5.5 × 5 × 2.2 cm = 2.2” × 2.0” × 0.9”

Main crystal size: 0.5 × 0.1 cm = 0.2” × 0.0”

Hutchinsonite with Orpiment and Pyrite

TB56AD9: A novelty (for its red color) at Ste. Marie 2016. Isolated crystals and radial clusters of very bright and well-defined Hutchinsonite crystals with vivid red reflections. They are on a granular Galena matrix that is partially coated by small and very bright pyritohedral Pyrite crystals and spheroidal Orpiment aggregates. Both the Hutchinsonite and the Galena have been analyzed and we’ll send a copy of the analyses to the buyer.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru (03/2016)

Specimen size: 8.4 × 3.9 × 4.1 cm = 3.3” × 1.5” × 1.6”

Main crystal size: 0.7 × 0.2 cm = 0.3” × 0.1”

Hutchinsonite with Orpiment and Pyrite. Hutchinsonite with Orpiment and Pyrite.
Pyrite with Quartz
Pyrite with Quartz. Pyrite with Quartz.

TF48AE9: Complex Pyrite crystal, very rich in faces, with the dominant cube beveled by a pyritohedron and other minor forms. It is implanted on an aggregate of Quartz crystals. The sample is really esthetic because the Pyrite crystal is isolated and has a very balanced position on the matrix.
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru (02/2016)

Specimen size: 7.6 × 5.6 × 2.7 cm = 3.0” × 2.2” × 1.1”

Main crystal size: 3.1 × 3 cm = 1.2” × 1.2”

Pyrite

TA96H7: Group of crystals in which the dominant form is the octahedron but also having the faces of the cube, less developed but evident. The faces are bright, defined and undamaged. A magnificent sample.
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru (2001)

Specimen size: 11 × 9 × 4 cm = 4.3” × 3.5” × 1.6”

Main crystal size: 2.4 × 2.2 cm = 0.9” × 0.9”

Pyrite. Pyrite.
Calcite with Pyrite and Sphalerite
Calcite with Pyrite and Sphalerite. Front
Front
Calcite with Pyrite and Sphalerite. Side
Side

TZ27AD5: A novelty at Tucson 2016. Twinned rhombohedral Calcite crystals with very well defined faces and edges, with surfaces covered by a later phase of drusy crystals of Calcite, and with a very pale pink color. They are on matrix, with Pyrite and Sphalerite. The sample is from a not yet widely divulged Peruvian mine.
Atalaya Mine, Huallanca District, Bolognesi Province, Ancash Department  Peru (11/2015)

Specimen size: 10 × 9.7 × 6.5 cm = 3.9” × 3.8” × 2.6”

Main crystal size: 5.8 × 5.2 cm = 2.3” × 2.0”

Intense fluorescence short UV & fluorescent long UV

Pyrite with Dolomite and Sphalerite

TA47AD5: A novelty at Tucson 2016. Aggregate of Pyrite crystals showing the cube and the pyritohedron, and partially coated by small Sphalerite crystals and slightly pink rhombohedral Calcite crystals. The sample is from a not yet widely divulged Peruvian mine.
Atalaya Mine, Huallanca District, Bolognesi Province, Ancash Department  Peru (11/2015)

Specimen size: 11.5 × 8 × 5.8 cm = 4.5” × 3.1” × 2.3”

Main crystal size: 5 × 4.7 cm = 2.0” × 1.9”

Calcite fluorescent long & short UV

Pyrite with Dolomite and Sphalerite. Pyrite with Dolomite and Sphalerite.
Bournonite with Chalcopyrite
Bournonite with Chalcopyrite.

EP47W9: Very aerial group of very well defined and bright twinned crystals with small aggregates of Chalcopyrite crystals. Originally labeled as Seligmannite, our analysis determined that it is really Bournonite.
The sample is from the Claus Hedegaard collection, whose label we’ll send to the buyer with a copy of the analysis.
Cerro de Pasco, Provincia de Pasco, Departamento de Pasco  Peru

Specimen size: 5.2 × 3.6 × 1.7 cm = 2.0” × 1.4” × 0.7”

Main crystal size: 0.9 × 0.6 cm = 0.4” × 0.2”

Former Claus Hedegaard collection. Number 10523
Clinoatacamite with Quartz

TE66Z2: A novelty at Munich 2013. Aggregates of crystals with very sharp edges, very bright, with a very deep color and on matrix, with Quartz.
Lily Mine, Umay District, Pisco Province, Ica Department  Peru (2013)

Specimen size: 7 × 5.4 × 3.6 cm = 2.8” × 2.1” × 1.4”

Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2”

Clinoatacamite with Quartz. Clinoatacamite with Quartz.
Clinoatacamite with Quartz
Clinoatacamite with Quartz. Clinoatacamite with Quartz.

TH66Z2: A novelty at Munich 2013. Aggregates of crystals with very sharp edges, very bright, with a very deep color and on matrix, with Quartz and small white Gypsum crystals.
Lily Mine, Umay District, Pisco Province, Ica Department  Peru (2013)

Specimen size: 7.7 × 6.9 × 5.2 cm = 3.0” × 2.7” × 2.0”

Main crystal size: 0.6 × 0.3 cm = 0.2” × 0.1”

Clinoatacamite with Gypsum

To see a larger 3D image please
click here or on the image

MB49Y7: A novelty at Munich 2013. Parallel aggregates of very well defined Clinoatacamite crystals. They are large- sized for the species, platy and have rounded contours. Furthermore, the crystals, on matrix, are extraordinarily bright, with a very deep green color and are partially coated by small Gypsum crystals. A sample out of the ordinary, worthy of being in the best collections.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 47 in number 2014/1
Lily Mine, Umay District, Pisco Province, Ica Department  Peru (08/2013)

Specimen size: 16.8 × 10 × 6.7 cm = 6.6” × 3.9” × 2.6”

Main crystal size: 1.7 × 1.3 cm = 0.7” × 0.5”

Clinoatacamite with Gypsum. Clinoatacamite with Gypsum.
Atacamite
Atacamite.
Atacamite.

T56JD2: For a while we saw these atacamites from Peru, then we stopped seeing them, so I was very pleased when we were able to get hold of this one. It has lots of crystals and has the typical 'freshly picked' look of the atacamites.
Lily Mine, Umay District, Pisco Province, Ica Department  Peru (1999)

Specimen size: 4.5 × 3.2 × 2 cm = 1.8” × 1.3” × 0.8”

Chrysocolla with Quartz

MA26X1: A honeycomb growth, on matrix, of micro-crystals of Quartz completely covered by turquoise blue Chrysocolla, with intense greenish shades.
Lily Mine, Umay District, Pisco Province, Ica Department  Peru (06/2012)

Specimen size: 9.5 × 5.3 × 7.7 cm = 3.7” × 2.1” × 3.0”

Chrysocolla with Quartz. Chrysocolla with Quartz.
Copper
Copper. Front
Front
Copper. Rear
Rear

TE27AE8: A novelty at Tucson 2017. Dendritic aggregate of elongated dodecahedral crystals with parallel growths and slight curvatures on the edges. It is from a locality not yet well known for collectible Copper samples.
Acari Mine, Caraveli Province, Arequipa Department  Peru (2015)

Specimen size: 6.2 × 3.8 × 1.9 cm = 2.4” × 1.5” × 0.7”

Gold with Quartz

MZ16W9: A novelty at Munich 2012. Dendritic growths of laminar, elongated and wirelike crystals on Quartz matrix. The locality, not well known, had offered rare samples of Gold of this quality.
This specimen was photographed and published as a novelty at the 2012 Munich Show of the magazine ‘Mineralien Welt’ and appears on page 28 of number 1/2013
Mina San Luis, Chala, Caraveli, Arequipa  Peru (08/2012)

Specimen size: 2.6 × 1.8 × 1.8 cm = 1.0” × 0.7” × 0.7”

Gold with Quartz. Front
Front
Gold with Quartz. Rear
Rear
Hematite after Magnetite (variety martite)
Hematite after Magnetite (variety martite). Front
Front
Hematite after Magnetite (variety martite). Rear
Rear

TE13Q4: Parallel and skeletal growths of octahedral crystals, pseudomorphs after Magnetite, and almost completely covered by a second generation of laminar and bright crystals of Hematite.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)

Specimen size: 5.3 × 3.3 × 2.2 cm = 2.1” × 1.3” × 0.9”

Main crystal size: 3.5 × 1.5 cm = 1.4” × 0.6”

Hematite after Magnetite (variety martite)

EK87K3: On the specimen coexist two generations of crystals of Hematite. The first one has arborescent growths of octahedral crystals that are pseudomorphs after Magnetite (the variety Martite). On those octahedrons is formed a second generation of very bright laminar crystals of Hematite. Aside from its mineralogical interest, the specimen is notably esthetic. A very good sample.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Rivista Mineralogica Italiana’ on page 286 in number 2007/4.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (04/2007)

Specimen size: 9.1 × 10.3 × 7.7 cm = 3.6” × 4.1” × 3.0”

Main crystal size: 3.5 × 3.3 cm = 1.4” × 1.3”

Hematite after Magnetite (variety martite). Front
Front
Hematite after Magnetite (variety martite). Side
Side
Hematite after Magnetite (variety martite). Rear
Rear
Hematite after Magnetite (variety martite)
Hematite after Magnetite (variety martite). Front
Front
Hematite after Magnetite (variety martite). Rear
Rear

EP76M5: A novelty this year in Munich, because it is from a very recent find. Parallel and skeletal growths of octahedral crystals extraordinarily elongated, pseudomorphs after Magnetite, very well defined, bright and almost completely covered by a second generation of small laminar crystals of Hematite.
This specimen was photographed for the ‘what’s new at Munich 2008’ section of the magazine ‘Mineralien Welt’ and appears on page 16 of number 1/2009.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina

Specimen size: 9.4 × 7.1 × 5.5 cm = 3.7” × 2.8” × 2.2”

Main crystal size: 6 × 2.3 cm = 2.4” × 0.9”

Hematite after Magnetite (variety martite)

EP96M5: A novelty this year in Munich, because it is from a very recent find. Parallel and skeletal growths of octahedral crystals, some of them extraordinarily elongated, pseudomorphs after Magnetite, very well defined, bright and almost completely covered by a second generation of small laminar crystals of Hematite.
This specimen was photographed for the ‘what’s new at Munich 2008’ section of the magazine ‘Mineralien Welt’ and appears on page 16 of number 1/2009.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina

Specimen size: 10.9 × 7.6 × 5.7 cm = 4.3” × 3.0” × 2.2”

Main crystal size: 7 × 5 cm = 2.8” × 2.0”

Hematite after Magnetite (variety martite). Front
Front
Hematite after Magnetite (variety martite). Rear
Rear
Hematite after Magnetite (variety martite)
Hematite after Magnetite (variety martite). Front
Front
Hematite after Magnetite (variety martite). Rear
Rear
Hematite after Magnetite (variety martite). Side
Side

ET96M5: A novelty this year in Munich, because it is from a very recent find. Parallel and skeletal growths of octahedral crystals, some of them extraordinarily elongated, pseudomorphs after Magnetite, very well defined, bright and almost completely covered by a second generation of small laminar crystals of Hematite.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina

Specimen size: 11.7 × 8.9 × 6.1 cm = 4.6” × 3.5” × 2.4”

Main crystal size: 6 × 3.9 cm = 2.4” × 1.5”

Smoky Quartz with Microcline and Albite

RL11I0: The crystals have classic forms and they are very well grown and have very well defined faces and edges. They contrast with the matrix of Microcline on which white Albite has grown.
Formación Papachacra, Departamento Belén, Catamarca  Argentina (1993)

Specimen size: 9.8 × 7.2 × 3.4 cm = 3.9” × 2.8” × 1.3”

Main crystal size: 5.8 × 2.7 cm = 2.3” × 1.1”

Albite fluorescent short UV
Smoky Quartz with Microcline and Albite.
Florencite-(Ce) with Albite, Siderite and smoky Quartz
Florencite-(Ce) with Albite, Siderite and smoky Quartz. Florencite-(Ce) with Albite, Siderite and smoky Quartz.

RA63J2: Tabular crystals of hexagonal but partially rounded shape. On a matrix of Albite crystals and with small crystals of Siderite.
Formación Papachacra, Catamarca  Argentina (1993)

Specimen size: 7.4 × 5.9 × 3 cm = 2.9” × 2.3” × 1.2”

Main crystal size: 0.1 × 0.1 cm = 0.0” × 0.0”

Albite minor fluorescence long & short UV
Florencite-(Ce) with Quartz and Microcline

EX26F2: Florencite-(Ce) is a very rare phosphate. In this case the small red crystals are distributed on Microcline and accompanied by Quartz and Mica.
Formación Papachacra, Departamento Belén, Catamarca  Argentina (2003)

Specimen size: 8 × 5 × 4.5 cm = 3.1” × 2.0” × 1.8”

Main crystal size: 0.1 × 0.1 cm = 0.0” × 0.0”

Florencite-(Ce) with Quartz and Microcline. Florencite-(Ce) with Quartz and Microcline.
Rhodochrosite stalactite
Rhodochrosite stalactite. Front
Front
Rhodochrosite stalactite. Bottom
Bottom

CT52D6: As you can see in the photo this stalactite of Rhodochrosite has been polished at the bottom. In this case we feel that this helps one appreciate the beauty of its interior. Apart from the length, the fact that there are two stalactites, their great color and form means that we have decided to publish this specimen, even though it does not match our normal criteria for collectible specimens. It has a special quality that we think would make it of interest to anyone who collects minerals.
Mina Capillitas, Andalgalá, Catamarca  Argentina

Specimen size: 12 × 4.2 × 3 cm = 4.7” × 1.7” × 1.2”

Fluorite

TH61I8: Group of cubic crystals with very well-marked echeloned bevels. Transparency and luster are excellent and the color is extraordinarily deep. An absolute novelty, because Fluorite from this zone was not previously known.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 14 in number 2007/2.
Villa Carlos Paz, Córdoba  Argentina

Specimen size: 4.8 × 4 × 2.1 cm = 1.9” × 1.6” × 0.8”

Main crystal size: 2.3 × 2.2 cm = 0.9” × 0.9”

Minor fluorescence short UV

Fluorite.
Copper
Copper. Front
Front
Copper. Rear
Rear

ET66M8: Arborescent growth with rounded terminations corresponding to deformed crystals. The mine is not well-known and such coppers are uncommon in international collections.
Mina Coca-Cola, Distrito minero de Talcuna, La Serena, Coquimbo  Chile (±1985)

Specimen size: 8.5 × 8.2 × 2.2 cm = 3.3” × 3.2” × 0.9”

Chrysocolla with Malachite

MR46AA8: Spheroidal aggregates, very much more isolated than usual for the species, with a very intense greenish-blue color, with small Malachite crystals and on a limonite matrix. A very esthetic miniature.
Mina Manto Tres Gracias, Diego de Almagro, El Salado, Chañaral, Atacama  Chile

Specimen size: 2.6 × 2.6 × 1.3 cm = 1.0” × 1.0” × 0.5”

Main crystal size: 1 × 1 cm = 0.4” × 0.4”

Chrysocolla with Malachite.
Atacamite with Halloysite
Atacamite with Halloysite. Atacamite with Halloysite.

JA56AF0: Radial and irregular clusters of Atacamite crystals, between fine prismatic and acicular, many of them doubly terminated. They are translucent, extraordinarily bright and on a rocky matrix partially coated by clear Halloysite.
La Farola Mine, Cerro Pintado, Las Pintadas District, Tierra Amarilla, Copiapó Province, Atacama Region  Chile

Specimen size: 7.9 × 5.6 × 2 cm = 3.1” × 2.2” × 0.8”

Main crystal size: 0.3 × 0.1 cm = 0.1” × 0.0”

Atacamite with Halloysite

EQ26M8: Radial growths of crystals very much better defined than usual for the locality. They are bright, have an excellent color and make a strong contrast with the lighter Halloysite.
Mina La Farola, Cerro Pintado, Copiapó, Atacama  Chile (±1985)

Specimen size: 9 × 7.5 × 4.2 cm = 3.5” × 3.0” × 1.7”

Main crystal size: 0.5 × 0.1 cm = 0.2” × 0.0”

Atacamite with Halloysite. Atacamite with Halloysite.
Chrysocolla with Quartz
Chrysocolla with Quartz. Chrysocolla with Quartz.

EA11M9: Globular growths on matrix of very clear bluish green tones, almost coated by globular growths of tiny crystals of Quartz.
Mina La Farola, Cerro Pintado, Tierra Amarilla, Copiapó, Atacama  Chile (±1985)

Specimen size: 8.6 × 6.5 × 3.5 cm = 3.4” × 2.6” × 1.4”

Copper

ER37N4: Dendritic growth of elongated crystals, small but with very well defined faces. The locality is very uncommon for native Copper.
Mina La Farola, Cerro Pintado, Tierra Amarilla, Copiapó, Atacama  Chile (±1985)

Specimen size: 11.5 × 10.5 × 4.3 cm = 4.5” × 4.1” × 1.7”

Copper. Front
Front
Copper. Rear
Rear
Copper.
Brochantite
Brochantite.

EJ11T4: Aggregates of acicular crystals with a green color clearer than usual, on limonite matrix. We specially note the locality, not well known for the species.
Mina La Verde, Copiapó, Atacama  Chile

Specimen size: 4.8 × 3.5 × 2.6 cm = 1.9” × 1.4” × 1.0”

Brochantite

EB36Y4: Irregular aggregates, on limonite matrix, of acicular crystals with an intense color and an excellent luster.
Copiapó, Atacama  Chile (1960-1970)

Specimen size: 10.5 × 9.5 × 6.3 cm = 4.1” × 3.7” × 2.5”

Main crystal size: 1 × 0.1 cm = 0.4” × 0.0”

Former collection of Uwe Niemeyer

Brochantite. Brochantite.
Proustite with Calcite
Proustite with Calcite. Proustite with Calcite.
Proustite with Calcite.

EF27T4: Very acute dipyramidal crystals, typical for the locality, and one of them clearly dominant. They are extraordinarily bright and show a splendid red color. On Calcite matrix. The sample is included in a box with an old stamp of the Dirección de Geología del Ministerio de Minas e Hidrocarburos de Venezuela, that we'll send to the buyer. A universal classic.
Chañarcillo, Copiapó, Atacama  Chile

Specimen size: 5.2 × 4 × 2.9 cm = 2.0” × 1.6” × 1.1”

Main crystal size: 0.6 × 0.2 cm = 0.2” × 0.1”

Proustite with Chalcopyrite and Calcite
Proustite with Chalcopyrite and Calcite

ER87V4: Aggregate of small prismatic crystals of Proustite. They have an intense red color, they are very bright and are on matrix, with Chalcopyrite and lenticular white crystals of Calcite. An old classic, it comes with a box with the stamp of the Dirección de Geología de la República de Venezuela.
Chañarcillo, Copiapó, Atacama  Chile

Specimen size: 6.7 × 2.9 × 1.7 cm = 2.6” × 1.1” × 0.7”

Main crystal size: 0.4 × 0.15 cm = 0.2” × 0.1”

Calcite minor fluorescence long & short UV

Proustite with Chalcopyrite and Calcite. Proustite with Chalcopyrite and Calcite.
Rodalquilarite with Alunite and Quartz
Rodalquilarite with Alunite and Quartz. Rodalquilarite with Alunite and Quartz.
Rodalquilarite with Alunite and Quartz

ET13W7: Aggregates of very acute acicular crystals of Rodalquilarite. They have a very deep olive green color and are on a Quartz matrix coated by very well defined yellow Alunite crystals. The locality is a classic both for the Alunite and the Rodalquilarite.
The sample is with a label from the William Pinch collection that we'll send to the buyer.
Wendy open pit, Tambo Mine, El Indio, Elqui, Coquimbo  Chile

Specimen size: 3.6 × 3.2 × 1 cm = 1.4” × 1.3” × 0.4”

Main crystal size: 0.3 × 0.2 cm = 0.1” × 0.1”

Former collection of Bill Pinch
Rodalquilarite with Alunite and Quartz
Rodalquilarite with Alunite and Quartz

EQ37W7: Spheroidal aggregates of Rodalquilarite with a clear olive green color. They are implanted on a matrix of Quartz which is almost completely coated by very well defined lenticular yellow Alunite crystals. The locality is a classic both for the Alunite and the Rodalquilarite.
The sample is with a label from the William Pinch collection that we'll send to the buyer.
Wendy open pit, Tambo Mine, El Indio, Elqui, Coquimbo  Chile

Specimen size: 6.5 × 3.7 × 1.9 cm = 2.6” × 1.5” × 0.7”

Main crystal size: 1 × 1 cm = 0.4” × 0.4”

Rodalquilarite with Alunite and Quartz. Rodalquilarite with Alunite and Quartz.
Szenicsite with Powellite
Szenicsite with Powellite. Szenicsite with Powellite.
Szenicsite with Powellite

MZ71X2: Groups of platy crystals of the rare species Szenicsite. The crystals, with excellent color and luster, form fanlike growths and are on matrix.
The sample is from the personal collection of Terry Szenics, in whose honor the species was named, and it is with a label signed by him that we'll send to the buyer.
Mina Jardinera Número 1, Inca de Oro, Chañaral, Atacama  Chile

Specimen size: 4.4 × 2.7 × 3 cm = 1.7” × 1.1” × 1.2”

Chalcopyrite with Tetrahedrite and Dolomite

ER49P6: Twinned very well defined and bright crystals of Chalcopyrite, with tetrahedral crystals of Tetrahedrite and small white crystals of Dolomite. We specially note the locality, a Chilean mine that isn't well known for such good collection pieces.
Mina el Teniente, Rancagua, Municipio Rancagua  Chile (±1990)

Specimen size: 18.5 × 11.5 × 5 cm = 7.3” × 4.5” × 2.0”

Main crystal size: 1.2 × 0.7 cm = 0.5” × 0.3”

Chalcopyrite with Tetrahedrite and Dolomite.
Chalcopyrite with Tetrahedrite and Dolomite. Chalcopyrite with Tetrahedrite and Dolomite.
Gold
Gold.
Gold

TD14K0: Both the locality and the shape of the specimens are really unusual. From an old collection, these four gold nuggets, flat and oval, are conserved in their original case, on whose back there is the label that we show.
Isla Lennox, Tierra del Fuego, Patagonia  Chile

Specimen size: 8 × 7 cm = 3.1” × 2.8”

Main crystal size: 1 × 0.4 cm = 0.4” × 0.2”

Gold with Malachite and Chalcocite

TB16S7: Wide (for the locality) leafy growths of gold with a vivid luster and intense yellow color that contrasts with the green color of the copper salts on the matrix.
The sample was previously in the John H. Marshall collection and has a considerable pedigree, supported by joined labels and cards that we’ll send to the buyer.
Mina La Compañía, Caracoles, Sierra Gorda, Tocopilla, Antofagasta  Chile

Specimen size: 7.8 × 5.4 × 4.1 cm = 3.1” × 2.1” × 1.6”

Gold with Malachite and Chalcocite. Gold with Malachite and Chalcocite.
Gold
Gold.

TD88AE9: Very aerial dendritic aggregate of very elongated octahedral crystals that have unusually well defined faces and edges.
San Antonio de Morichal, Santa Elena de Uairén, Gran Sabana, Bolívar  Venezuela

Specimen size: 1.8 × 1 × 0.2 cm = 0.7” × 0.4” × 0.1”

Weight: 0.8 grams
Gold

MG62X1: The sample has a considerable size for the locality. It is partially stream rounded and cavernous but, at the same time, it has clearly defined crystalline faces.
Mina El Polaco, Icabarú, Santa Elena de Uairen, Bolívar  Venezuela (1990)

Specimen size: 2.5 × 1.9 × 0.8 cm = 1.0” × 0.7” × 0.3”

Weight: 9.7 grams
Gold. Front
Front
Gold. Rear
Rear
Gold
Gold. Front
Front
Gold. Rear
Rear

TC26AB2: Very aerial arborescent aggregate of Gold crystals, one of them clearly dominant and with a considerable size, with rounded edges and deep hollows.
Zapata claims, Icabarú river placers, Santa Elena de Uairén, Gran Sabana, Bolívar  Venezuela (2014)

Specimen size: 3 × 1.9 × 1.1 cm = 1.2” × 0.7” × 0.4”

Main crystal size: 1.1 × 0.6 cm = 0.4” × 0.2”

Weight: 10.3 grams
Wire Gold on Quartz

TQ28I8: Precious miniature. An elongated wire growth, practically cylindrical, on a matrix of white Quartz. Wire forms are very rare with Gold and this find from Venezuela was one of the main novelties at Tucson 2007.
Santa Elena de Uairén, Gran Sabana, Bolívar  Venezuela (07/2006)

Specimen size: 1.7 × 1.1 × 0.7 cm = 0.7” × 0.4” × 0.3”

Wire Gold on Quartz.
Wire Gold on Quartz
Wire Gold on Quartz.

TP76I8: Precious miniature. An elongated wire growth, practically cylindrical, with small Quartz matrix. The growth on the base of the specimen is quite different and there are crystals of quite well-defined crystalline forms. Wire forms are very rare with Gold and this find from Venezuela was one of the main novelties at Tucson 2007.
Santa Elena de Uairén, Gran Sabana, Bolívar  Venezuela (07/2006)

Specimen size: 2.4 × 1.3 × 0.6 cm = 0.9” × 0.5” × 0.2”

Weight: 2.6 grams
Phosphophyllite

TK13Q0: A novelty at Tucson 2010. Group of very much elongated crystals with very acute terminations. Most of the crystals are “swallowtail” twins. They have uniform pale green color and are on Limonite matrix. The sample is from a recent find, at a new locality.
Mina Wayllani, Machacamarca, Potosí  Bolivia (12/2009)

Specimen size: 2.2 × 2.2 × 2.1 cm = 0.9” × 0.9” × 0.8”

Main crystal size: 0.7 × 0.3 cm = 0.3” × 0.1”

Phosphophyllite.
Phosphophyllite
Phosphophyllite.

TH6Q0: A novelty at Tucson 2010. Group of very elongated crystals with very acute terminations. Most of the crystals are “swallowtail” twins. They have uniform pale green color and are on Limonite matrix. The sample is from a recent find, in a new locality.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 29 in number 2010/2
Mina Wayllani, Machacamarca, Potosí  Bolivia (12/2009)

Specimen size: 4 × 3.4 × 1.7 cm = 1.6” × 1.3” × 0.7”

Main crystal size: 1.4 × 0.5 cm = 0.6” × 0.2”

Phosphophyllite

TJ6Q0: A novelty at Tucson 2010. Botryoidal growths of poorly developed crystals and uniform pale green color, on Limonite matrix. The sample is from a recent find, at a new locality.
Mina Wayllani, Machacamarca, Potosí  Bolivia (12/2009)

Specimen size: 5.2 × 2.2 × 2.1 cm = 2.0” × 0.9” × 0.8”

Phosphophyllite.
Valentinite
Valentinite. Front
Front
Valentinite. Top
Top

MJ56T7: Group of very individualized crystals, one of them clearly dominant, with simple and sharp forms, good color and luster and on matrix. An excellent sample from the Thomas Moore thumbnail collection.
Mina Colavi, Machacamarca, Cornelio Saavedra, Potosí  Bolivia (±2006)

Specimen size: 2.4 × 2.2 × 1.6 cm = 0.9” × 0.9” × 0.6”

Main crystal size: 0.9 × 0.6 cm = 0.4” × 0.2”

Fluorescence on the matrix (short and long UV)
Ludlamite with Siderite and Pyrite

EB27V1: Group of very well defined crystals, with a good size for the species. They have an intense and uniform color and are on a matrix of Siderite with small crystals of Pyrite.
Colavi Mine, Machacamarca District, Cornelio Saavedra Province, Potosí Department  Bolivia (±1990)

Specimen size: 5 × 3 × 2.3 cm = 2.0” × 1.2” × 0.9”

Main crystal size: 1.5 × 1.2 cm = 0.6” × 0.5”

Ludlamite with Siderite and Pyrite.
Wurtzite with Quartz and Fluorapatite
Wurtzite with Quartz and Fluorapatite. Front
Front
Wurtzite with Quartz and Fluorapatite. Top
Top

TM68G9: A very rare species, scarcely appearing in esthetic pieces. In this case there is a complete rosette of bicolored crystals of Wurtzite (some of them bright black and some other brown) and so well positioned on the Quartz matrix that it results in an attractive specimen. The group is completed by a curious Fluorapatite crystal, tabular and extra-flat.
Mina Siglo XX, Llallagua, Potosí  Bolivia (2005)

Specimen size: 3.5 × 3.5 × 4 cm = 1.4” × 1.4” × 1.6”

Main crystal size: 1.2 × 1 cm = 0.5” × 0.4”

Fluorapatite extremely fluorescent long & short UV
Vauxite

LH76F4: A concretion like growth made up of many small, intensely blue crystals. A fairly rare specimen that is hard to find, as it comes from one of the famous finds of the 1950s.
From the David Lucas collection, number 695 so we will give the buyer his label.
Mina Siglo XX, Llallagua, Potosí  Bolivia (±1950)

Specimen size: 3.5 × 2.7 × 0.9 cm = 1.4” × 1.1” × 0.4”

Vauxite.
Paravauxite
Paravauxite.
Paravauxite.

ER37E6: Only one mine produces good Paravauxite and none have been found there for years. So when I get hold of one from a collection or Museum I am very pleased (this one comes from the Seaman Museum). Lots of crystals that, while small, have a ‘fresher’ look than is typical with this species. We will send you the original label from the museum.
Mina Siglo XX, Llallagua, Potosí  Bolivia

Specimen size: 5.5 × 4 × 4.3 cm = 2.2” × 1.6” × 1.7”

Main crystal size: 0.7 × 0.3 cm = 0.3” × 0.1”

Andorite with Pyrite and Zinkenite

TN99G9: Great esthetics on this Andorite!. It has some definite and aerial crystals, some of them doubly terminated and perfectly positioned on a matrix of bright Pyrite crystals. Some acicular crystals of Zinkenite complete the piece.
San José Mine, Oruro City, Cercado Province, Oruro Department  Bolivia (10/2004)

Specimen size: 4.3 × 3.6 × 2.6 cm = 1.7” × 1.4” × 1.0”

Main crystal size: 1.7 × 1.1 cm = 0.7” × 0.4”

Andorite with Pyrite and Zinkenite. Andorite with Pyrite and Zinkenite.
Andorite with Pyrite and Zinkenite.
Andorite with Zinkenite
Andorite with Zinkenite.

EK86I1: The crystal is doubly terminated, more defined than usual for this species. Its platy form has grown on a matrix of acicular crystals of Zinkenite.
San José Mine, Oruro City, Cercado Province, Oruro Department  Bolivia (2006)

Specimen size: 4.5 × 3.3 × 1.8 cm = 1.8” × 1.3” × 0.7”

Main crystal size: 3.4 × 2.7 cm = 1.3” × 1.1”

Zinkenite

LA30F3: The San Jose mine, Oruro is one of the few localities where this rare lead sulfosalt with antimony forms attractive specimens. The crystals have grown in groups of brilliant wheat sheaf with fine prisms.
From the David Lucas collection, number 594, and we will give the buyer his label.
San José Mine, Oruro City, Cercado Province, Oruro Department  Bolivia

Specimen size: 9.7 × 4.8 × 3.6 cm = 3.8” × 1.9” × 1.4”

Zinkenite.
Zinkenite.
Franckeite with Quartz and Pyrite
Franckeite with Quartz and Pyrite. Franckeite with Quartz and Pyrite.

EX67M8: Spherical growths of very well defined and bright small crystals, with Pyrite and on matrix. An excellent sample of this rare species.
San José Mine, Oruro City, Cercado Province, Oruro Department  Bolivia

Specimen size: 4.1 × 3.5 × 2.6 cm = 1.6” × 1.4” × 1.0”

Ludlamite

EA40: Ludmalite it is one of the more famous Bolivian species. In this specimen it is not only fresh and doubly terminated but also extremely well placed on an unusual matrix formed by a combo of Siderite, Tourmaline and Quartz. As attractive as the photo suggests.
Mina Huanuni, Huanuni, Dalence, Oruro  Bolivia

Specimen size: 4.3 × 2.3 × 1.2 cm = 1.7” × 0.9” × 0.5”

Main crystal size: 1.7 × 0.7 cm = 0.7” × 0.3”

Ludlamite.
Cassiterite
Cassiterite.

TR76F3: In this group the crystals are brilliant, and have perfectly defined faces and edges. They have the clear form of the twin, which is not often seen from this locality.
Mina Huanuni, Huanuni, Dalence, Oruro  Bolivia

Specimen size: 6.2 × 4 × 2.5 cm = 2.4” × 1.6” × 1.0”

Main crystal size: 2.8 × 2.3 cm = 1.1” × 0.9”

Cassiterite

TA67L3: Group of translucent Cassiterite twinned crystals, with more than an excellent luster and dark honey color. With Quartz crystals on matrix.
Mina Viloco, Sección San Antonio, Loayza, La Paz  Bolivia (01/2008)

Specimen size: 7 × 5.6 × 2.9 cm = 2.8” × 2.2” × 1.1”

Main crystal size: 1.4 × 1.3 cm = 0.6” × 0.5”

Cassiterite.
Cassiterite.
Cassiterite with Quartz
Cassiterite with Quartz. Front
Front
Cassiterite with Quartz. Rear
Rear
Cassiterite with Quartz.

MT99X8: Very aerial group, on Quartz matrix, of cyclic-twinned Cassiterite crystals. They are bright and show very well defined faces and edges. The sample, as well as its mineralogical quality, is especially esthetic.
Viloco Mine, Loayza, La Paz  Bolivia (2012)

Specimen size: 5.4 × 5.4 × 4.3 cm = 2.1” × 2.1” × 1.7”

Main crystal size: 2 × 1.7 cm = 0.8” × 0.7”

Copper after Aragonite

TD58Q8: Floater group of doubly terminated prismatic crystals pseudomorphous after twinned Aragonite with a very sharp hexagonal shape and very well defined faces and edges.
Mina San Agustín, Corocoro, Pacajes, La Paz  Bolivia (03-04/2010)

Specimen size: 2.7 × 1.8 × 1.4 cm = 1.1” × 0.7” × 0.6”

Copper after Aragonite.
Copper after Aragonite
Copper after Aragonite. Front
Front
Copper after Aragonite. Rear
Rear

ET37AE2: Floater spheroidal aggregate of native Copper crystals pseudomorphous after Aragonite. The condition has very well retained the original pseudohexagonal aragonite shape. These Bolivian classics are usually in individual crystals, the aggregates with a many crystals are very rare.
Corocoro, Pacajes Province, La Paz Department  Bolivia

Specimen size: 3 × 2.8 × 2.7 cm = 1.2” × 1.1” × 1.1”

Main crystal size: 0.8 × 0.8 cm = 0.3” × 0.3”

Cylindrite

MA16G8: The piece is full of typical crystals of cylindrical habit (thus the name for the species). Crystals are numerous and more sharp and bright than is usual.
Trinacria, Poopó  Bolivia

Specimen size: 4.2 × 3.7 × 2.5 cm = 1.7” × 1.5” × 1.0”

Main crystal size: 1.8 × 0.2 cm = 0.7” × 0.1”

Cylindrite.
Bismuthinite with Marcasite
Bismuthinite with Marcasite. Bismuthinite with Marcasite.

MA93X6: Magnificent sample due to its size, the high quantity of its crystals and their excellent definition with very good terminal faces and their intense luster. Unlike most of the Bismuthinite from this locality, the crystals aren’t partially or totally coated by Marcasite.
Veta Farallón viejo, Mina Farallón, Cerro Tazna, Atocha-Quechisla, Tazna, Potosí  Bolivia (2001)

Specimen size: 13 × 10 × 6.3 cm = 5.1” × 3.9” × 2.5”

Main crystal size: 2.1 × 0.6 cm = 0.8” × 0.2”

Quartz

E96MBH5: A group of very esthetic crystals. We also call attention to the locality, very uncommon and practically unknown for collector, and a country from which there usually aren’t samples on the market.
Mina Las Mercedes, San Miguel, Departamento Misiones  Paraguay

Specimen size: 10.5 × 10.2 × 6 cm = 4.1” × 4.0” × 2.4”

Main crystal size: 4.3 × 1.1 cm = 1.7” × 0.4”

Quartz.
Copper after Aragonite
Copper after Aragonite.

TC58Q8: Floater prismatic crystals pseudomorphous after a twinned Aragonite, with a very sharp hexagonal shape and very well defined faces and edges and partially coated by Malachite.
Mina San Agustín, Corocoro, Pacajes, La Paz  Bolivia (03-04/2010)

Specimen size: 2.2 × 1.7 × 1.8 cm = 0.9” × 0.7” × 0.7”


Beryl (Emerald)

Beryl (variety emerald)

TS16L2: Miniature of prismatic crystals, two of them dominant, with perfect terminations on top, good transparency and intense green color, slightly zoned perpendicular to main axis. On the main crystal top termination we can see something similar to dissolution structures and inside the crystal some carbon inclusions. A luminous specimen.
La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department  Colombia (01/2008)

Specimen size: 1.1 × 0.7 × 0.6 cm = 0.4” × 0.3” × 0.2”

Main crystal size: 1.1 × 0.5 cm = 0.4” × 0.2”

Beryl (variety emerald). Beryl (variety emerald).
Doubly terminated Beryl (variety emerald)
Doubly terminated Beryl (variety emerald). Front
Front
Doubly terminated Beryl (variety emerald). Side
Side
Doubly terminated Beryl (variety emerald). Side
Side

TE76H6: Parallel group of prismatic crystals all them doubly terminated, really big and having good color and transparency, free of damage and esthetically placed on the matrix.
Mina Coscuez, Boyacá  Colombia (07/2002)

Specimen size: 3.1 × 2.8 × 2.3 cm = 1.2” × 1.1” × 0.9”

Main crystal size: 2.7 × 1.6 cm = 1.1” × 0.6”

Beryl (variety emerald) with Albite

MV51Y6: Sharp crystals with very well defined faces and edges, one of them clearly dominant, with an excellent termination that shows the pinacoid and pyramidal faces. The emerald crystals are on a rocky matrix with small laminar Albite crystals and are transparent, very bright and have an intense, deep and uniform color.
Chivor, Municipio Chivor, Cinturón Esmeraldífero Oriental, Boyacá  Colombia (2012)

Specimen size: 3.4 × 2.3 × 1.1 cm = 1.3” × 0.9” × 0.4”

Main crystal size: 1.6 × 0.4 cm = 0.6” × 0.2”

Albite minor fluorescence short UV
Beryl (variety emerald) with Albite. Beryl (variety emerald) with Albite.
Doubly terminated Beryl (variety emerald) on Calcite
Doubly terminated Beryl (variety emerald) on Calcite.
Doubly terminated Beryl (variety emerald) on Calcite.

TJ59H7: Prismatic doubly terminated crystal of very well defined faces and edges and excellent color and transparency that contrast with a white matrix of crystallized Calcite. We emphasize the perfect terminations both for the good definition of the flat faces and the intensity of the color. A beautiful miniature.
Muzo mining district, Western Emerald Belt, Boyacá Department  Colombia (2005)

Specimen size: 3.9 × 2.7 × 2.6 cm = 1.5” × 1.1” × 1.0”

Main crystal size: 1.3 × 0.5 cm = 0.5” × 0.2”

Calcite fluorescent long & short UV

Beryl (variety emerald) with Calcite

TB47L3: A powerful group of numerous very well-defined, transparent and brilliant isolated Beryl (Emerald) crystals. Excellent terminations and intense green color. They are implanted on a rocky matrix with rhombohedral Calcite crystals. Given its color and crystal perfection we consider it a really great specimen.
Chivor, Municipio Chivor, Cinturón Esmeraldífero Oriental, Boyacá  Colombia (11/2007)

Specimen size: 4.5 × 3.3 × 2.3 cm = 1.8” × 1.3” × 0.9”

Main crystal size: 1.8 × 1.6 cm = 0.7” × 0.6”

Beryl (variety emerald) with Calcite. Front
Front
Beryl (variety emerald) with Calcite. Top
Top
Beryl (variety emerald) with Calcite.
Beryl (variety emerald) with Calcite
Beryl (variety emerald) with Calcite. Front
Front
Beryl (variety emerald) with Calcite. Top
Top
Beryl (variety emerald) with Calcite.

MV70S3: Crystal on matrix with very well defined faces and edges and with a good flat termination. It has a thin surface naturally welded by Calcite.
Cunas Mine, Maripí, Boyacá  Colombia (03/2005)

Specimen size: 4.5 × 4.2 × 3.2 cm = 1.8” × 1.7” × 1.3”

Main crystal size: 2 × 0.8 cm = 0.8” × 0.3”


Quartz variety amethyst from Uruguay

Quartz (variety amethyst)

EV86P3: Stalagmitic growth of crystals of dipyramidal habit and a very poorly developed prism. Of excellent color and luster, they form a very interesting esthetic piece. This sample is from a recent find in March 2009.
La Bolsa Quarry, La Bolsa area, Artigas Department  Uruguay (03/2009)

Specimen size: 10.5 × 7.9 × 8 cm = 4.1” × 3.1” × 3.1”

Main crystal size: 1 × 0.9 cm = 0.4” × 0.4”

Quartz (variety amethyst). Front
Front
Quartz (variety amethyst). Side
Side
Quartz (variety amethyst) with Calcite
Quartz (variety amethyst) with Calcite. Front
Front
Quartz (variety amethyst) with Calcite. Rear
Rear

TG70T2: Stalagmitic growth of Quartz (amethyst) crystals with their prism more developed than usual on this kind of sample, very bright, with excellent color and very well marked phantom growths. The amethyst completely coats a Calcite crystal whose section is seen on the bottom of the sample.
La Bolsa Quarry, La Bolsa area, Artigas Department  Uruguay (11/2009)

Specimen size: 12.8 × 9.6 × 10.6 cm = 5.0” × 3.8” × 4.2”

Main crystal size: 1.2 × 1.8 cm = 0.5” × 0.7”

Quartz (variety amethyst)

MN49R8: Stalactitic growth of crystals of deep violet color and intense luster in which predominate their terminal faces due to the scanty development of the prismatic forms.
La Bolsa Quarry, La Bolsa area, Artigas Department  Uruguay (08/2010)

Specimen size: 16 × 5.6 × 5.2 cm = 6.3” × 2.2” × 2.0”

Main crystal size: 0.8 × 0.6 cm = 0.3” × 0.2”

Quartz (variety amethyst). Front
Front
Quartz (variety amethyst). Rear
Rear
Quartz (variety amethyst) with Calcite and Hematite
Quartz (variety amethyst) with Calcite and Hematite. Quartz (variety amethyst) with Calcite and Hematite.

MN89X3: Scalenohedral Calcite crystals with a very well marked and sharp interpenetration twin of two rhombohedrons streamlined by oriented micro-crystals of Hematite. The Calcite is implanted on a cavity of Quartz (amethyst) crystals with an intense luster and a deep color.
La Bolsa Quarry, La Bolsa area, Artigas Department  Uruguay (06/2009)

Specimen size: 16.5 × 15 × 6.8 cm = 6.5” × 5.9” × 2.7”

Main crystal size: 5 × 3.1 cm = 2.0” × 1.2”

Minor fluorescence long & short UV

Calcite with Quartz (variety amethyst) and Hematite

TR90X8: Partially doubly terminated scalenohedral Calcite crystal with parallel growths on the lower and micro-recrystallization on the surface of its faces. It is implanted on a geode of Quartz (amethyst) crystals that in the area near the Calcite have abundant black Hematite inclusions.
Catalán Grande Quarry, Catalán Grande area, Artigas Department  Uruguay (11/2011)

Specimen size: 12 × 10.5 × 8 cm = 4.7” × 4.1” × 3.1”

Main crystal size: 7 × 5.5 cm = 2.8” × 2.2”

Minor fluorescence long & short UV

Calcite with Quartz (variety amethyst) and Hematite. Calcite with Quartz (variety amethyst) and Hematite.
Quartz (variety amethyst)
Quartz (variety amethyst). Front
Front
Quartz (variety amethyst). Rear
Rear
Quartz (variety amethyst). Bottom
Bottom

MB99I0: The quality of its color is extraordinary. Crystals have different intensities of color on the prism and the rhombohedron, it is more intense on the terminations. The group is a stalagmite which once covered a hexagonal crystal of Calcite, now gone, but it left a mold in the center of the specimen. We note the precision of the quarry’s name, until now very difficult to determine on Uruguayan specimen.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 54 in number 2007/1.
Catalán Grande Quarry, Catalán Grande area, Artigas Department  Uruguay (07/2006)

Specimen size: 12 × 5.7 × 6.7 cm = 4.7” × 2.2” × 2.6”

Main crystal size: 1.9 × 1.3 cm = 0.7” × 0.5”

Quartz (variety amethyst) and Calcite

TP50I8: An extraordinary formation of amethyst crystals that covers completely a scalenohedral crystal of Calcite, preserving its original form. Color and luster are magnificent. It is from the classic zone of Artigas, actually worked by experienced mineralogists, so the samples found are especially interesting.
Catalán Grande Quarry, Catalán Grande area, Artigas Department  Uruguay (11/2006)

Specimen size: 12.3 × 9.9 × 7 cm = 4.8” × 3.9” × 2.8”

Main crystal size: 0.5 × 0.5 cm = 0.2” × 0.2”

Quartz (variety amethyst) and Calcite. Front
Front
Quartz (variety amethyst) and Calcite. Side
Side
Quartz (variety amethyst) with Calcite
Quartz (variety amethyst) with Calcite. Front
Front
Quartz (variety amethyst) with Calcite. Rear
Rear

TJ86J3: Stalactitic growth of crystals of very well defined faces and edges, very bright and a very deep color. On the Quartz there is a small white crystal of Calcite.
Santiño Quarry, Tres Cerros de Santiño area, Artigas Department  Uruguay (2006)

Specimen size: 7.5 × 6.3 × 4.9 cm = 3.0” × 2.5” × 1.9”

Main crystal size: 0.7 × 0.7 cm = 0.3” × 0.3”

Calcite minor fluorescence long & short UV

Calcite with Quartz (variety amethyst)

TF99J6: Scalenohedral crystal of Calcite completely recovered by a second generation of Quartz. The crystal is implanted in a geode of Quartz (amethyst) which crystals have zonation of color. Very esthetic.
Santiño Quarry, Tres Cerros de Santiño area, Artigas Department  Uruguay (2006)

Specimen size: 14 × 11.7 × 10 cm = 5.5” × 4.6” × 3.9”

Main crystal size: 6.5 × 4 cm = 2.6” × 1.6”

Calcite fluorescent long & short UV

Calcite with Quartz (variety amethyst).
Calcite with Quartz (variety amethyst).
Calcite with Quartz (variety amethyst).
Quartz (variety amethyst)
Quartz (variety amethyst). Front
Front
Quartz (variety amethyst). Rear
Rear

TM67Q6: Stalagmitic growth of small crystals of amethyst with a modestly developed prism, a very deep violet color and intense luster, standing on a base of crystals of the same mineral and all in basalt matrix.
Santa Ana Quarry, Artigas Department  Uruguay (08/2009)

Specimen size: 9.9 × 9.8 × 6.4 cm = 3.9” × 3.9” × 2.5”

Main crystal size: 0.7 × 0.7 cm = 0.3” × 0.3”

Quartz (variety amethyst) pseudomorph after Calcite

EE16K8: Groups of amethyst crystals, with an extraordinary color and brilliance, which have grown over Calcite crystals, thus preserving their scalenohedral habit, The Calcite crystals are now almost completely gone.
Santa Ana Quarry, Artigas Department  Uruguay (02/2007)

Specimen size: 10.1 × 5.1 × 5 cm = 4.0” × 2.0” × 2.0”

Quartz (variety amethyst) pseudomorph after Calcite. Front
Front
Quartz (variety amethyst) pseudomorph after Calcite. Side
Side
Calcite with Quartz (variety amethyst) and Hematite
Calcite with Quartz (variety amethyst) and Hematite.
Calcite with Quartz (variety amethyst) and Hematite.

MF26M5: Scalenohedral crystal of Calcite in a geode of Quartz (amethyst). The crystal has three channels that coincide with the acute edges and these contain thin growths of Hematite microcrystals. Within the crystal there is a very well defined inclusion of red Hematite. The sample is from a new quarry in the well known region of Artigas.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Rivista Mineralogica Italiana’ on page 138 in number 2009/2.
Norte Quarry, Catalán Grande area, Artigas Department  Uruguay (06/2008)

Specimen size: 7.1 × 7 × 6.2 cm = 2.8” × 2.8” × 2.4”

Main crystal size: 7.1 × 2.9 cm = 2.8” × 1.1”

Calcite fluorescent long & short UV

Quartz (variety amethyst)

MB93AA9: Perimorph growth of very sharp and bright crystals with a very deep violet color, very rich with oxide inclusions and with recrystallized hematoid Quartz microcrystals on the edges. The amethyst grew coating a group of Calcite crystals, subsequently dissolved and completely missing, that left a big cavity with geometrical forms.
Amarilla Quarry, Catalán Grande area, Artigas Department  Uruguay (03/2014)

Specimen size: 22.5 × 10.3 × 5.4 cm = 8.9” × 4.1” × 2.1”

Main crystal size: 1.2 × 0.9 cm = 0.5” × 0.4”

Quartz (variety amethyst). Front
Front
Quartz (variety amethyst). Rear
Rear
Quartz (variety amethyst).

Peruvian Rhodonite

Among the most commented upon novelties at Tucson 2007 were Peruvian Rhodonites from the San Martín Mine. Although this mine was previously known for that species, more careful methods of extraction by the actual owners of the mine made it possible to obtain new samples of a high quality, especially if we consider their color, because previous Rhodonites were generally pinker than the best new ones, which are more red.
Our selection is based, precisely, on picking just the deep red specimens because we believe color is the most distinctive aspect, in terms of quality, of the Rhodonite.

Rhodonite with Quartz
Rhodonite with Quartz.

TM6J8: Excellent miniature formed by groups of sharp, flat, prismatic crystals of exceptional transparency and color. The existence of a group of Quartz crystal adds esthetic force and mineralogical interest to the specimen.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (03/2007)

Specimen size: 2 × 1.7 × 1.7 cm = 0.8” × 0.7” × 0.7”

Main crystal size: 1.8 × 0.8 cm = 0.7” × 0.3”

Rhodonite with Quartz

TC36J7: Excellent miniature formed by groups of flat prismatic crystals, extraordinarily sharp and exceptional color and transparency. The presence of a group of prismatic crystals of Quartz adds esthetic force and mineralogical interest to the specimen.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (03/2007)

Specimen size: 3.9 × 2.7 × 2.1 cm = 1.5” × 1.1” × 0.8”

Main crystal size: 1.7 × 0.8 cm = 0.7” × 0.3”

Rhodonite with Quartz. Front
Front
Rhodonite with Quartz. Rear
Rear
Rhodonite
Rhodonite. Front
Front
Rhodonite. Top
Top

TY64Q0: Group of flattened crystals of sharp, very well defined faces and edges and of very intense and uniform color and an excellent luster.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (03/2007)

Specimen size: 4 × 2.6 × 2.1 cm = 1.6” × 1.0” × 0.8”

Main crystal size: 1.6 × 0.7 cm = 0.6” × 0.3”

Rhodonite with Calcite

TX67L1: Flattened Rhodonite crystals, with a laminar habit, translucent and with excellent and very intense color. Small white Calcite crystals add a nice contrast.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (01/2007)

Specimen size: 4.6 × 2.6 × 2.6 cm = 1.8” × 1.0” × 1.0”

Main crystal size: 1.5 × 0.8 cm = 0.6” × 0.3”

Calcite fluorescent long & short UV

Rhodonite with Calcite.
Rhodonite with Quartz
Rhodonite with Quartz.

ME90K6: Group of flattened Rhodonite crystals of excellent color and luster with growths of smallwhite crystals of Quartz. We especially note the intensity of the color, nearer to red most than pink, which is characteristic of the July-August 2007 samples.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (08/2007)

Specimen size: 4.7 × 4 × 2.6 cm = 1.9” × 1.6” × 1.0”

Main crystal size: 0.7 × 0.5 cm = 0.3” × 0.2”

Rhodonite with Calcite, Quartz and Pyrite

TA76J8: Groups of sharp, flattened, prismatic crystals, some of them doubly terminated, of exceptional transparency and color, on a matrix of white crystals of Calcite, crystals of Quartz and small crystals of Pyrite.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (03/2007)

Specimen size: 5.5 × 4.2 × 2 cm = 2.2” × 1.7” × 0.8”

Main crystal size: 1.6 × 0.6 cm = 0.6” × 0.2”

Calcite extremely fluorescent long & short UV

Rhodonite with Calcite, Quartz and Pyrite. Rhodonite with Calcite, Quartz and Pyrite.
Rhodonite
Rhodonite. Rhodonite.

AM47AB7: Druse, on matrix, of sharp flat Rhodonite crystals that have an unusual and excellent color, more red than pink. The sample is from an old find in 1998.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (04/1998)

Specimen size: 6.4 × 5.7 × 2.8 cm = 2.5” × 2.2” × 1.1”

Main crystal size: 0.7 × 0.4 cm = 0.3” × 0.2”

Former collection of Josep Amigó (Silvane)

Rhodonite with Calcite, Pyrrhotite and Pyrite

TX36I8: Group of flat prismatic crystals, very well-defined and bright and more isolated than usual for that mine. They form fans. We specially note its color, extraordinary even for the most usual from the locality. On adition there is a tabular Pyrrhotite crystal with sharp faces and edges. On the back of the sample there are small crystallizations of Sphalerite and Pyrite. Considering all the items it is a high level specimen.
San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (11/2006)

Specimen size: 11.5 × 8.5 × 3.8 cm = 4.5” × 3.3” × 1.5”

Main crystal size: 0.9 × 0.6 cm = 0.4” × 0.2”

Calcite fluorescent long & short UV

Rhodonite with Calcite, Pyrrhotite and Pyrite.
Rhodonite with Calcite, Pyrrhotite and Pyrite. Rhodonite with Calcite, Pyrrhotite and Pyrite.

Barite from Cerro Warihuyn

Baryte
Baryte.

ED11J8: From a very recent find on Cerro Warihuyn, it has very different characteristics from the samples known so far. A tabular crystal of perfectly defined faces and edges, very transparent and of deep yellow color. Very esthetic and aerial on the Dolomite matrix.
Cerro Warihuyn, 2850 m.↑, Miraflores, Huamalias, Huanuco  Peru (2007)

Specimen size: 3.4 × 2.4 × 2.1 cm = 1.3” × 0.9” × 0.8”

Main crystal size: 2.3 × 1.8 cm = 0.9” × 0.7”

Minor zoned fluorescence long & short UV
Baryte with Dolomite

TX46H4: The specimen is from a recent find at this Peruvian locality, completely unknown a short time ago. Crystals are between tabular and laminar and have an exceptional luster and are on a small matrix of Dolomite. Fluorescence under UV light is spectacular, having curious and well defined zones of different intensity.
Cerro Warihuyn, 2850 m.↑, Miraflores, Huamalias, Huanuco  Peru (2005-2006)

Specimen size: 4.3 × 3.6 × 1.5 cm = 1.7” × 1.4” × 0.6”

Main crystal size: 3.9 × 2.8 cm = 1.5” × 1.1”

Intense zoned fluorescence long & short UV

Baryte with Dolomite.
Baryte
Baryte.

MJ46K6: Parallel group of very transparent and very sharp crystals of Baryte with a deep yellow color, on a Dolomite matrix.
Cerro Warihuyn, ↑2850 m., Miraflores, Huamalias, Huanuco  Peru (03-04/2007)

Specimen size: 4.8 × 3.4 × 1.5 cm = 1.9” × 1.3” × 0.6”

Minor fluorescence long & short UV

Baryte with Dolomite

EH64J8: From a very recent find on Cerro Warihuyn, it has very different characteristics from the samples known so far. Parallel growths of tabular crystals with perfectly defined faces and edges and a deep yellow color. Very esthetic and aerial on the Dolomite matrix.
Cerro Warihuyn, 2850 m.↑, Miraflores, Huamalias, Huanuco  Peru (2007)

Specimen size: 4.8 × 4 × 4.2 cm = 1.9” × 1.6” × 1.7”

Main crystal size: 2 × 1.5 cm = 0.8” × 0.6”

Minor zoned fluorescence long & short UV
Baryte with Dolomite. Front
Front
Baryte with Dolomite. Rear
Rear
Baryte with Dolomite
Baryte with Dolomite. Front
Front
Baryte with Dolomite. Side
Side

TG96H4: The specimen is from a recent find at this Peruvian locality, completely unknown a short time ago. Crystals are between tabular and laminar, very clear, with yellowish shades, and have an exceptional luster. They are on an elegant matrix of Dolomite. Fluorescence under UV is spectacular, having curious and well defined zones of different intensity.
Cerro Warihuyn, 2850 m.↑, Miraflores, Huamalias, Huanuco  Peru (2005-2006)

Specimen size: 6.3 × 3.3 × 3 cm = 2.5” × 1.3” × 1.2”

Zoned fluorescence long & short UV


Rhodochrosite from the Manuelita Mine

Rhodochrosite on Pyrite

TM63F5: The beautiful world of nature never ceases to surprise me. The combination of pink Rhodochrosite and the golden Pyrite on which it sits looks like some form of offering. With the extra features of bevelled edges and the light color zoning of the Rhodochrosite make, especially given its simplicity, this one even more beautiful.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (04/2005)

Specimen size: 3.3 × 2.8 × 1.7 cm = 1.3” × 1.1” × 0.7”

Main crystal size: 0.8 × 0.7 cm = 0.3” × 0.3”

Minor fluorescence long & short UV

Rhodochrosite on Pyrite.
Rhodochrosite with Quartz
Rhodochrosite with Quartz. Front
Front
Rhodochrosite with Quartz. Top
Top

TP66H6: Nice miniature of rhombohedral crystals that have exceptional color and luster. Small crystals of Quartz skirt the edges.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (15/02/2006)

Specimen size: 3.5 × 2.4 × 2.8 cm = 1.4” × 0.9” × 1.1”

Main crystal size: 1.2 × 0.7 cm = 0.5” × 0.3”

Rhodochrosite with Quartz, Sphalerite and Pyrite

EY96AD8: Aggregate of very sharp rhombohedral Rhodochrosite crystals, translucent and with a very intense, deep and uniform pink color, on matrix with Sphalerite, Pyrite and Quartz.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (2005-2008)

Specimen size: 3.7 × 2.9 × 2.3 cm = 1.5” × 1.1” × 0.9”

Main crystal size: 1.2 × 1.2 cm = 0.5” × 0.5”

Rhodochrosite with Quartz, Sphalerite and Pyrite. Rhodochrosite with Quartz, Sphalerite and Pyrite.
Rhodochrosite
Rhodochrosite. Front
Front
Rhodochrosite. Top
Top

MA50G9: Crystals are rhombohedrons with very sharp faces and edges of a splendid size and we call your attention to its great color and the elegant disposition on matrix.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (10/2005)

Specimen size: 6 × 3.5 × 5 cm = 2.4” × 1.4” × 2.0”

Main crystal size: 1.7 × 1.3 cm = 0.7” × 0.5”

Rhodochrosite with Quartz

TC96H7: Group of rhombohedral crystals of very well defined faces and edges and an excellent color. Notice the zonation of the color corresponding to different phases of growth, darker at the center of the crystal with alternating zones of different shades of pink nearer the edges. The group is on a matrix of small crystals of Quartz.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (15/02/2006)

Specimen size: 7.2 × 5.4 × 2 cm = 2.8” × 2.1” × 0.8”

Main crystal size: 1.2 × 1.1 cm = 0.5” × 0.4”

Rhodochrosite with Quartz. Rhodochrosite with Quartz.
Rhodochrosite with Quartz
Rhodochrosite with Quartz.
Rhodochrosite with Quartz.

TD76K4: Group of rhombohedral crystals of very sharp faces and edges, and excellent color. Small crystals of Quartz have selectively grown along the edges of most of the Rhodochrosite crystals.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (2007)

Specimen size: 8.2 × 6.2 × 2.9 cm = 3.2” × 2.4” × 1.1”

Main crystal size: 1.1 × 1 cm = 0.4” × 0.4”

Rhodochrosite with Quartz

TP29P1: Groups of rhombohedral crystals, very well defined and slightly curved. Their color is intensely pink and they contrast against a matrix coated by Quartz crystals.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (2007)

Specimen size: 11 × 9.8 × 8 cm = 4.3” × 3.9” × 3.1”

Main crystal size: 1.5 × 1.3 cm = 0.6” × 0.5”

Rhodochrosite with Quartz. Rhodochrosite with Quartz.
Rhodochrosite with Quartz
Rhodochrosite with Quartz. Front
Front
Rhodochrosite with Quartz. Side
Side
Rhodochrosite with Quartz.

ET88N8: Esthetic group of rhombohedral crystals of a very deep pink color, on a matrix of Quartz crystals.
Manuelita Mine, Morococha District, Yauli Province, Junín Department  Peru (10/07/2007)

Specimen size: 11.8 × 11.3 × 5.2 cm = 4.6” × 4.4” × 2.0”

Main crystal size: 1 × 0.8 cm = 0.4” × 0.3”


Santa Rita Mine

From the not so well known Santa Rita Mine come these Sphalerites of clear color and sharp crystals, well placed on a matrix covered by concretions of non pink Rhodochrosite. This mine also produces some high quality Galena.

Sphalerite with Galena and Rhodochrosite

TZ46H6: A group of twinned crystals with sharp faces and edges. They have orangish color and an excellent luster. Crystals are partially covered by concretions of Rhodochrosite. There is also some minor Galena on the matrix.
Mina Santa Rita, 4300 m.↑, Morococha, Yauli, Junín  Peru (2006)

Specimen size: 4.3 × 3.2 × 5.2 cm = 1.7” × 1.3” × 2.0”

Main crystal size: 1.6 × 1 cm = 0.6” × 0.4”

Sphalerite with Galena and Rhodochrosite. Front
Front
Sphalerite with Galena and Rhodochrosite. Side
Side
Sphalerite with Rhodochrosite
Sphalerite with Rhodochrosite. Sphalerite with Rhodochrosite.

EK26N8: Complex crystals of deep honey color. Of a considerable size for the locality, they are on a matrix partially coated by Rhodochrosite.
Mina Santa Rita, 4300 m.↑, Morococha, Yauli, Junín  Peru (21/06/2007)

Specimen size: 11.6 × 7.7 × 5.9 cm = 4.6” × 3.0” × 2.3”

Main crystal size: 1.8 × 1.6 cm = 0.7” × 0.6”

Galena with Quartz

TV86H6: Crystals have rounded shapes but they are formed by stepped planes with the faces of the cube and the octahedron and they are very sharp and bright. Between the crystals of Galena some groups of transparent crystals of Quartz appear.
Mina Santa Rita, 4300 m.↑, Morococha, Yauli, Junín  Peru (2006)

Specimen size: 12 × 7 × 5.5 cm = 4.7” × 2.8” × 2.2”

Main crystal size: 3 × 1.5 cm = 1.2” × 0.6”

Galena with Quartz.
Galena with Quartz.

Wire Silver

One of the major novelties in the 2001 Ste. Marie / Denver Shows was the new wire Silver from Uchucchacua, Lima, Peru. They were found at the start of this year and their quality and beauty is comparable to the best finds from the old famous localities such as Kongsberg, with maybe better luster on the Silver crystals.
On some cases it is better to take care. For this reason we took our time to analyze the matrix of this new specimens and for to check carefully each specimen to be sure that nothing was faked. Analysis proved that the dark brownish matrix of these specimens is a natural amorphous Silicate of Manganese and that the white-yellowish crystals are Rhodochrosite. As usual, we will send copy of this analysis to the buyers of the specimens.

Wire Silver with Rhodochrosite
Wire Silver with Rhodochrosite.

E49D: Unusual crystallized brilliant Rhodochrosite partially covering Silver wire crystals on Rhodo matrix.
Uchucchacua Mine, Oyón Province, Lima Department  Peru (2001)

Specimen size: 4.5 × 3 cm = 1.8” × 1.2”

Silver with Pyrargyrite

E85F: Silver with Pyrargyrite and Rhodochrosite. From this famous mine comes this very free standing "silver tree" partially covered by black round Pyrargyrite crystals. Good display given the pink Rhodochrosite matrix.
Uchucchacua Mine, Oyón Province, Lima Department  Peru (2000)

Specimen size: 7 × 4.5 cm = 2.8” × 1.8”

Silver with Pyrargyrite.
Silver with Pyrargyrite.

Argentinian Amethyst

Argentina it is not a well know mineralogical country. An Argentinean Quartz quarry's owners carried out work searching for fine Quartz specimens to sell on the mineral market. I have an excellent relationship with him, so I purchased the best of his production. For the moment they are finding huge, doubly terminated, and frequently sceptered Amethyst Quartz. The first generation is milky white Quartz, the second generation is a deep Amethyst colored Quartz. Most of the specimens are floaters and some of them are on matrix too. Size, form and phantom inclusions are very attractive and offer to the mineral world something new that in my opinion it will help to place Argentina on the collector's map.

Quartz (variety amethyst) scepter
Quartz (variety amethyst) scepter.

ED61F0: The crystal has simple forms, with an amethyst scepter on a crystal of milky Quartz. The brilliance of the faces and the color zoning (it is like an hour glass, as one sometimes sees in Gypsum) are notable.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (2004)

Specimen size: 3.5 × 1.2 × 1.3 cm = 1.4” × 0.5” × 0.5”

Doubly terminated Quartz (variety amethyst)

NB26K9: Partially doubly terminated crystal, with color zonations that are more intense on the terminations, on a group of milky Quartz crystals. Very uncommon locality.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (2003)

Specimen size: 7 × 5.5 × 3.5 cm = 2.8” × 2.2” × 1.4”

Main crystal size: 3.3 × 1.4 cm = 1.3” × 0.6”

Doubly terminated Quartz (variety amethyst). Doubly terminated Quartz (variety amethyst).
Quartz (variety amethyst) scepter
Quartz (variety amethyst) scepter.

NR47E0: Doubly terminated crystals that have grown in parallel and that have good color, transparency and with the scepter form growing on a first generation of colorless Quartz. It is esthetic and all the terminations are perfect.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (2003)

Specimen size: 7.5 × 4 × 2.5 cm = 3.0” × 1.6” × 1.0”

Main crystal size: 5.7 × 2.7 cm = 2.2” × 1.1”

Quartz (variety amethyst) scepter

EB48F0: A very special specimen due to the considerable size of the crystals, their parallel growth, the scepter formation, and the quality and intensity of the color.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (2004)

Specimen size: 10.5 × 6.5 × 5 cm = 4.1” × 2.6” × 2.0”

Main crystal size: 6 × 3 × 2.5 cm = 2.4” × 1.2” × 1.0”

Quartz (variety amethyst) scepter. Quartz (variety amethyst) scepter.
Quartz (variety amethyst) doubly terminated
Quartz (variety amethyst) doubly terminated. Front
Front
Quartz (variety amethyst) doubly terminated. Side
Side

To see a larger 3D image please
click here or on the image

EA49AD4: Aggregate of doubly terminated Quartz (amethyst) crystals, two of them forming a parallel growth. They have grown on a white Quartz crystal. The color of the amethyst crystals is very deep and intense and they are very large for the locality.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (01-06/2002)

Specimen size: 13 × 7.8 × 6 cm = 5.1” × 3.1” × 2.4”

Main crystal size: 12.8 × 6.9 cm = 5.0” × 2.7”


Bismuthinite

Tazna it is one of the richest Bismuth deposits on the world. Although it is no longer in production a few people dig there and they found a phenomenal pocket that gave the biggest Bismuthinite crystals ever found. Unfortunately most of them were covered by a deep crust of Marcasite, only a few specimens don't had Marcasite or were just covered by a thin crust of Marcasite. Following this great find we got the specimen below with the best luster / visibility for this new discover.

Bismuthinite

TA38: Sharp, pretty brilliant Bismuthinite single crystal just covered on its top and on its rear by a crust of botryoidal Marcasite. Super for the species. As usual we will send the analysis to the buyer of the specimen.
Veta Farallón viejo, Mina Farallón, Cerro Tazna, Atocha-Quechisla, Tazna, Potosí  Bolivia (08/2001)

Specimen size: 4.4 × 1.3 × 0.4 cm = 1.7” × 0.5” × 0.2”

Bismuthinite.

Bournonite

At the Machacamarca Mine, Colavi, Bolivia they find some interesting minerals, the finest being Bournonite in flat, large crystals on matrix. Totally different from other Bournonite, collectors enjoy their unusual crystal form.

Bournonite
Bournonite.

MJ4B6: Flat and unusual habit associated with minor sugary Quartz crystals, Pyrite and Siderite.
Mina Colavi, Machacamarca, Cornelio Saavedra, Potosí  Bolivia (2001)

Specimen size: 3.7 × 3.6 cm = 1.5” × 1.4”

Bournonite

MR7B6: Flat and unusual habit with Pyrite and a small matrix on the back made up of sugary Quartz crystals and Pyrite.
Mina Colavi, Machacamarca, Cornelio Saavedra, Potosí  Bolivia (2001)

Specimen size: 4.7 × 5 cm = 1.9” × 2.0”

Bournonite.

Icositetrahedral Pyrite

In 1999, in a small mine in Bolivia (Tres Cruces, Potosí), they found some neat Pyrite, which was very brilliant and associated with Siderite. Crystalographically they are icositetrahedral crystals, so more complex than the normal ones.

Siderite with Pyrite
Siderite with Pyrite.

TB8M9: Group of lenticular crystals that have a very contrasted doubly coloration, with both dark and yellowish-brown areas. They are on matrix, with small crystals of Pyrite that are complex, with the predominant forms of the octahedron.
Tres Cruces, Potosí  Bolivia

Specimen size: 4.9 × 4.3 × 3.3 cm = 1.9” × 1.7” × 1.3”

Main crystal size: 3.4 × 2.4 cm = 1.3” × 0.9”

Pyrite with Siderite

EK57B7: Pretty Pyrite, very brilliant. Icositetrahedral crystals, so more complex than the normal ones.
A photograph of this specimen is on the page 202 of the book "Earth Science" (4th edition) published by BJU.
Tres Cruces, Potosí  Bolivia (1999)

Specimen size: 9.7 × 6.2 cm = 3.8” × 2.4”

Pyrite with Siderite.
Pyrite with Siderite.


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