Reference Specimens
The Daunis Collection

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Photos by Fabre Minerals. Under Creative Commons license

This page provides a selection of the specimens from the Lluís Daunis Collection that have passed through the Fabre Minerals website and, due to their quality,
rarity, or significance as specimens from interesting locations, have been preserved as reference specimens in #MVM

Carles Curto Text: Carles Curto (formerly curator of the Geology Museum, Barcelona) & Jordi Fabre
Assistance from John S. White (former Smithsonian curator) John S. White

 


      Lluís Daunis Montada (1916-1979) began his passion for mineralogy when elderly, as a family father, and his love was due in large part to the love he always had for the mountains, wanting to spend as much time as possible in contact with Nature.
      Self taught, he learned by buying books and meeting in his spare time with the collectors and merchants of the time: Joaquín Folch, Josep Cervelló, Enric Kucera, Soler i Pujol (Josep Palaus), S.E.C. (Suministros Escolares y Científicos), Figueras...
      He began to gather his first minerals on weekends in outings to localities near Barcelona, and gradually expanded his range of action in Catalonia and then also throughout Spain, taking advantage of summer and Easter vacations. He was fortunate to live the golden age of searching for minerals (Montseny, Sierra de Madrid, Sallent de Gállego, Eugui...) and also had the success of being a great searcher. He was always accompanied by his wife Maria Ruscalleda and during many years also by his daughter Núria, to whom he passed his hobby, so that the two became his best and most faithful collaborators.
      He was well known to have obtained very good Catalan specimens, being one of the pioneers in locating and finding good pieces of amethyst in Montseny, in the Les Mallorquines area, long before the modern discoveries, as well as very good examples of Quartz and Feldspars from both Catalonia and the Sierra de Madrid as well as Huesca.
      Unfortunately he could never realize his dream: to retire and to devote all his time to minerals. He wanted to get started in microscope photography and also wanted to better document and organize the collection, but a disease took him at 63 years of age.
      His wife Maria Ruscalleda maintained and expanded the collection until the last years of her life and passed it on to her daughter
Núria, who has kept it until the end of 2017.

Núria Daunis

 

Lluís Daunis and his wife Maria Ruscalleda

Lluís Daunis with his wife Maria Ruscalleda in 1972 in an exceptional geode in the Madrid mountain range that produced more than 25 boxes of specimens of Quartz and Orthoclase and in which they were finding more samples throughout several years.
Photo: Núria Daunis

 

Quartz amethyst
Beryl aquamarine
Quartz

 

Spain


Andalusie

Scheelite
Scheelite. Front
Front
Scheelite. Side
Side
Scheelite. Side
Side
Scheelite  

DV50AF8: Complete floater crystal with some well defined faces and edges and parallel, polycrystalline and rough growths. It is transparent, very bright and has a honey-yellow color. A Spanish classic, very hard to find today.
We’ll send to the buyer an old commercial label that is with the sample.
Conchita Mine, Puerto del Lentisco-Arroyo Bosquecillo, Estepona, Comarca Costa del Sol Occidental, Málaga, Andalusia  Spain

Specimen size: 3.3 × 2.7 × 2.2 cm = 1.30” × 1.06” × 0.87”

Extremely fluorescent short UV

With handwritten note from the Lluís Daunis Collection

Aragon

Quartz
Quartz  

DE50AF8: Aggregate of transparent and bright crystals, with a kind of faden inclusions, a very well defined Dauphiné twinning and a great “s” face. The sample is of the highest quality from this area. These Quartz are one of the more notable surprises in the Daunis collection.
We’ll send to the buyer a digitalized copy of a single label, commonly covering a group of similar samples from the same area.
The specimen has been published in the magazine ‘extraLAPIS’ on page 22, number 53, "Zwillinge"
Sallent de Gállego area, Comarca Alto Gállego, Huesca, Aragon  Spain (± 1970)

Specimen size: 10.1 × 6.6 × 5.7 cm = 3.98” × 2.60” × 2.24”

Main crystal size: 6.2 × 2.2 cm = 2.44” × 0.87”

With copy of the handwritten note from the Lluís Daunis Collection
Quartz. Front
Front
Quartz. Front
Front
Quartz. Side
Side
Quartz.

Asturias

Fluorite
Fluorite.
 

DB16AF9: Druse of cubic fluorite crystals on matrix. They are very transparent and have a neat geometric color zoning, very intense and deep violet on the edges and colorless in the rest of the crystals.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (± 1970)

Specimen size: 4.9 × 2.9 × 2.7 cm = 1.93” × 1.14” × 1.06”

Main crystal size: 1.2 × 0.9 cm = 0.47” × 0.35”

Former collection of Lluís Daunis

Cantabria

Calcite
Calcite  

DC10AH7: Group of scalenohedral Calcite crystals with very well defined faces and edges, with slight curvatures and most of them doubly terminated. They are translucent, have a honey color and fine recrystallization on most on their faces.
The Daunis collection was, in the 70’s and the 80’s, a reference for local prospectors of the Barcelona area. The sample is with the original manuscript label that we’ll send to the buyer.
Dolomítica Group of Mines, Montehano, Escalante, Comarca Trasmiera, Cantabria  Spain

Specimen size: 7.5 × 6.7 × 4.6 cm = 2.95” × 2.64” × 1.81”

Main crystal size: 5.3 × 2.3 cm = 2.09” × 0.91”

Intense fluorescence short UV & fluorescent long UV

With handwritten note from the Lluís Daunis Collection
Calcite. Front
Front
Calcite. Side
Side
Hemimorphite
Hemimorphite.
Hemimorphite  

DM11AH5: Botryoidal Hemimorphite growths on matrix that have a very intense blue color that resembles the best samples from the famous Sa Duchessa mine in Sardinia. Very unusual for the locality.
Reocín Mine, Reocín, Comarca Saja-Nansa, Cantabria  Spain

Specimen size: 3.6 × 3.5 × 2.1 cm = 1.42” × 1.38” × 0.83”

With handwritten note from the Lluís Daunis Collection

Castilla-La Mancha

Cinnabar with Calcite and Dolomite
 

DT50AG5: Crystals that have very well defined faces and edges and are translucent, very bright and have an extraordinary color, very vivid. They are on a matrix of black quartzite rock “roca frailesca” (rock of the friars), which is typical from there, with Dolomite and Calcite crystals. Of great quality for the locality due the special brightness of the crystals.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain

Specimen size: 7.9 × 4.8 × 3.5 cm = 3.11” × 1.89” × 1.38”

Main crystal size: 0.7 × 0.3 cm = 0.28” × 0.12”

Former collection of Lluís Daunis
Cinnabar with Calcite and Dolomite. Cinnabar with Calcite and Dolomite.
Cinnabar with Calcite and Dolomite. Cinnabar with Calcite and Dolomite.

Castilla-Leon

Quartz
Quartz. Front
Front
Quartz. Rear
Rear
Quartz  

DY37AF8: Polycrystalline near parallel growth of Quartz (milky variety) crystals with a morphology that is well-known with the curious appellation “Artichoke quartz”. It has poorly developed prismatic faces and is translucent and bright.
The sample is from an exhausted classic Spanish locality and it is with a handwritten original label that we’ll send to the buyer.
Losacio, Comarca Tierra de Alba, Zamora, Castile and León  Spain

Specimen size: 14 × 6.8 × 6.3 cm = 5.51” × 2.68” × 2.48”

With handwritten note from the Lluís Daunis Collection

Catalonia

Silver with Calcite
Silver with Calcite  

DR6AG5: Dendritic growths of Silver crystals included on a matrix with Calcite that has not been acid dipped. The sample is considerably ancient (1928), so it is a precursor of the modern finds in the mine. It is with an old label of the Antigua Casa Soler Pujol, in Barcelona.
Falset, Comarca Priorat, Tarragona, Catalonia / Catalunya  Spain (1928)

Specimen size: 5.1 × 3.5 × 3.3 cm = 2.01” × 1.38” × 1.30”

Main crystal size: 0.8 × 0.1 cm = 0.31” × 0.04”

With label from the Lluís Daunis Collection
Silver with Calcite. Silver with Calcite.
Quartz (variety smoky) with Albite
Quartz (variety smoky) with Albite. Front
Front
Quartz (variety smoky) with Albite. Rear
Rear
 

DV46AH5: Two isolated Quartz crystals (smoky variety) with very well defined faces and edges, transparent and bright, with a deep and uniform smoky color. They have grown on a matrix of Albite crystals.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
La Arola, Comarca Osona, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 5.5 × 4.6 × 4.4 cm = 2.17” × 1.81” × 1.73”

Main crystal size: 4.7 × 1.7 cm = 1.85” × 0.67”

With copy of the handwritten note from the Lluís Daunis Collection
Quartz (variety smoky) with Microcline
 

DF48AH6: A pair Quartz crystals, one of them clearly dominant, bright, translucent, with a smoky phantom growth and with a small Microcline matrix. The sample is from a very uncommon Catalan locality and it is one of the best Quartz samples we know from there.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
La Arola, Comarca Osona, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 12 × 10.8 × 8.4 cm = 4.72” × 4.25” × 3.31”

Main crystal size: 12 × 7.5 cm = 4.72” × 2.95”

With handwritten note from the Lluís Daunis Collection
Quartz (variety smoky) with Microcline. Front
Front
Quartz (variety smoky) with Microcline. Side
Side
Quartz (variety smoky) with Microcline. Rear
Rear
Microcline with Albite and Quartz
Microcline with Albite and Quartz. Microcline with Albite and Quartz.
Microcline with Albite and Quartz  

DE37AF9: Large group of sharp microcline crystals with very well defined faces and edges and a very well defined Manebach twin. It is with Albite and is coated by pinkish micro-crystalline Quartz that gives to it an unusual aspect, so unusual as the locality where it comes from.
La Arola, Comarca Osona, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 15 × 10.7 × 5.3 cm = 5.91” × 4.21” × 2.09”

Main crystal size: 5 × 4.3 cm = 1.97” × 1.69”

With handwritten note from the Lluís Daunis Collection
Microcline with Quartz (variety smoky)
 

DC59AF8: Group of Baveno law twinned Microcline crystals, mostly equant, but one of them clearly dominant and elongated, shows twinning by both the Baveno and Manebach laws. They are on matrix with Quartz crystals. The sample is from the first historic place of the earliest high quality amethyst finds at the Montseny massif decades before the modern finds.
We’ll send to the buyer a digitalized copy of a single label, commonly covering a group of similar samples from the same locality.
Les Mallorquines, Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 4.2 × 2.4 × 2.5 cm = 1.65” × 0.94” × 0.98”

Main crystal size: 1.4 × 0.4 cm = 0.55” × 0.16”

Former collection of Lluís Daunis
Microcline with Quartz (variety smoky).
Quartz (variety smoky) with Microcline and Albite
Quartz (variety smoky) with Microcline and Albite. Front
Front
Quartz (variety smoky) with Microcline and Albite. Side
Side
 

DF16AH6: Quartz (smoky variety) crystals that are bright, transparent, have a very deep and uniform smoky color and are implanted on a matrix of Microcline crystals with a small group of Albite crystals.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
Les Mallorquines, Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 4.6 × 4 × 2.9 cm = 1.81” × 1.57” × 1.14”

Main crystal size: 3.3 × 1.2 cm = 1.30” × 0.47”

With copy of the handwritten note from the Lluís Daunis Collection
Quartz (variety amethyst) on Quartz (variety smoky) and Microcline
Quartz (variety amethyst) on Quartz (variety smoky) and Microcline  

DF87AF8: Scepter growth of an elongated crystal with polycrystalline surfaces, on smoky Quartz with a Microcline matrix. It is from the historic site at the Montseny massif where the first high quality amethysts were found decades before the most recent finds.
We’ll send to the buyer a digitalized copy of a single label, commonly covering a group of similar samples from the same locality.
Les Mallorquines, Sils, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 8.2 × 3.3 × 2.8 cm = 3.23” × 1.30” × 1.10”

With copy of the handwritten note from the Lluís Daunis Collection
Quartz (variety amethyst) on Quartz (variety smoky) and Microcline. Front
Front
Quartz (variety amethyst) on Quartz (variety smoky) and Microcline. Side
Side
Baryte
Baryte. Baryte.
 

DR14AH6: Very elongated and flattened Baryte crystals with very well defined faces and edges and excellent terminal faces, transparent, bright, with a very intense honey color and on matrix. A Catalan classic.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
Osor Mines, Osor, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 14.2 × 5.7 × 5.8 cm = 5.59” × 2.24” × 2.28”

Main crystal size: 1.8 × 0.6 cm = 0.71” × 0.24”

Minor fluorescence short UV

Former collection of Lluís Daunis
Calcite
 

DF16AH2: Group of white scalenohedral Calcite crystals with curved faces and edges coating a rocky matrix. The locality, well known half a year ago mainly for its coralloid Aragonite, is currently inaccessible.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
Font de l'Home Mort, Les Encantades, Queralbs, Comarca Ripollès, Gerona / Girona, Catalonia / Catalunya  Spain

Specimen size: 10.7 × 8.2 × 6.2 cm = 4.21” × 3.23” × 2.44”

Main crystal size: 2 × 1.1 cm = 0.79” × 0.43”

Fluorescent long & short UV

Former collection of Lluís Daunis
Calcite. Calcite.
Gahnite with Quartz
Gahnite with Quartz. Gahnite with Quartz.
 

DT14AI0: Octahedral Gahnite crystals with very well defined faces and edges, with a uniform blue color and on matrix with Sphalerite. Such samples are very difficult to obtain in this quality and only from time to time appears a classic like this, only from old collections.
Victoria Mine, Arrés, Vall d'Aran, Lérida / Lleida, Catalonia / Catalunya  Spain

Specimen size: 3.1 × 3 × 1.9 cm = 1.22” × 1.18” × 0.75”

Main crystal size: 0.8 × 0.8 cm = 0.31” × 0.31”

With handwritten note from the Lluís Daunis Collection
Doubly terminated Quartz
 

DF6AG5: Complete floater crystal, flattened, transparent, very bright and with very visible inclusions. It has a thicker shape than usual for the floater Quartz crystals from the locality.
Llavorsí, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain

Specimen size: 5.1 × 4.3 × 2.1 cm = 2.01” × 1.69” × 0.83”

With copy of the handwritten note from the Lluís Daunis Collection
Doubly terminated Quartz. Front
Front
Doubly terminated Quartz. Rear
Rear
Quartz with Clinochlore
Quartz with Clinochlore. Front
Front
Quartz with Clinochlore. Rear
Rear
 

DM13AH5: Very aerial group of Quartz crystals, one of them clearly dominant, extraordinarily transparent and bright and with small globular Clinochlore aggregates.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
Llavorsí, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain

Specimen size: 5.3 × 2.9 × 2.7 cm = 2.09” × 1.14” × 1.06”

Main crystal size: 3.8 × 1.3 cm = 1.50” × 0.51”

With copy of the handwritten note from the Lluís Daunis Collection
Calcite (variety cobaltoan) with Calcite
 

DK46AG0: Banded growth of cobaltoan Calcite with a very intense color, between white Calcite bands. The sample, in spite its smooth surfaces, hasn't been acid-etched, as its rough surfaces in most other areas and the existence of easily altered carbonates proves.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain

Specimen size: 6 × 4.4 × 3.9 cm = 2.36” × 1.73” × 1.54”

Calcite fluorescent short UV

Calcite (variety cobaltoan) with Calcite. Front
Front
Calcite (variety cobaltoan) with Calcite. Rear
Rear

Madrid

Almandine-Spessartine (Series) with Orthoclase and Quartz (variety smoky)
Almandine-Spessartine (Series) with Orthoclase and Quartz (variety smoky). Almandine-Spessartine (Series) with Orthoclase and Quartz (variety smoky).
Almandine-Spessartine (Series) with Orthoclase and Quartz (variety smoky)  

DB13AI0: Trapezohedral Almandine-Spessartine (Series) crystals with very well defined faces and edges, transparent, bright and on matrix with Quartz crystals and manebach twinned Orthoclase crystals.
Valdemanco, Comarca Sierra de Guadarrama, Community of Madrid  Spain

Specimen size: 5.6 × 5.2 × 2.8 cm = 2.20” × 2.05” × 1.10”

Main crystal size: 0.7 × 0.5 cm = 0.28” × 0.20”

With handwritten note from the Lluís Daunis Collection
Garnet with Quartz and Albite
 

DY46AH6: Garnet (group) crystals with the forms of the dodecahedron and the trapezohedron, transparent, bright, with a very intense color at the base of a large transparent Quartz crystal and a group of Albite crystals. Very unusual for the locality.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
Miraflores de la Sierra, Comarca Cuenca Alta del Manzanares, Community of Madrid  Spain

Specimen size: 5.8 × 3.1 × 3.2 cm = 2.28” × 1.22” × 1.26”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

With handwritten note from the Lluís Daunis Collection
Garnet with Quartz and Albite. Garnet with Quartz and Albite.

Navarre

Dolomite
Dolomite. Front
Front
Dolomite. Side
Side
 

DB28AG3: Group of very sharp rhombohedral crystals with interpenetration twins, transparent, very bright and with phantom growths that have a violet-gray color. A very fine Spanish classic.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre)  Spain (± 1970)

Specimen size: 6.2 × 3.8 × 3.8 cm = 2.44” × 1.50” × 1.50”

Main crystal size: 2.8 × 2.7 cm = 1.10” × 1.06”

Former collection of Lluís Daunis

Europe


Pyromorphite
 

DM48AF4: Very aerial growths of elongated and slightly spindled crystals with very well defined terminal faces, very bright and with a good green-yellow color, typical at Les Farges.
The sample is from the Daunis collection, a reference for the local prospectors of the Barcelona area in the 70’s and the 80’s.
Les Farges Mine (Des Farges Mine), Ussel, Corrèze, Nouvelle-Aquitaine  France

Specimen size: 6.6 × 3.3 × 1.8 cm = 2.60” × 1.30” × 0.71”

Main crystal size: 0.8 × 0.1 cm = 0.31” × 0.04”

Former collection of Lluís Daunis
Pyromorphite. Front
Front
Pyromorphite. Rear
Rear
Pyromorphite.
Celestine with Sulfur
Celestine with Sulfur. Celestine with Sulfur.
Celestine with Sulfur  

DR87AF9: Druse of translucent and bright crystals with parallel and polycrystalline growths. They are on a matrix of volcanic tuff with native Sulfur crystals. An excellent Italian classic.
Racalmuto Mine, Racalmuto, Agrigento (Girgenti) Province, Sicily  Italy

Specimen size: 6.7 × 6.2 × 5.1 cm = 2.64” × 2.44” × 2.01”

Main crystal size: 2.6 × 1.1 cm = 1.02” × 0.43”

Intense fluorescence short UV & fluorescent long UV

With handwritten note from the Lluís Daunis Collection
Celestine with Sulfur
 

DA56AF5: Druse of prismatic crystals with very well defined terminal faces. They are white, very bright and partially coated by skeletal native Sulfur crystals.
The sample, a great Italian classic, is from the Daunis collection, (a reference for the local prospectors of the Barcelona area among 1970-1980)
Racalmuto Mine, Racalmuto, Agrigento (Girgenti) Province, Sicily  Italy

Specimen size: 13.5 × 12 × 9.3 cm = 5.31” × 4.72” × 3.66”

Main crystal size: 2.1 × 1.1 cm = 0.83” × 0.43”

Former collection of Lluís Daunis

Intense fluorescence short UV & fluorescent long UV
Celestine with Sulfur. Celestine with Sulfur.
Sulphur with Celestine
Sulphur with Celestine. Sulphur with Celestine.
 

DC69AG3: Groups of Sulphur crystals with very well defined faces and edges, bright, between transparent and translucent, on matrix and with spheroidal aggregates of small white Celestine crystals.
Sicily  Italy

Specimen size: 12.8 × 8.7 × 7.2 cm = 5.04” × 3.43” × 2.83”

Main crystal size: 2.4 × 1.9 cm = 0.94” × 0.75”

Former collection of Lluís Daunis

America


Copper with Malachite
Copper with Malachite  

DM12AG3: Fibrous Malachite aggregates with a silky luster coating a scoriaceous native Copper with dendritic growth fringes. We cannot offer to the buyer any more precise data about the locality than just “Arizona”, but possibly it is from the Ray Mine.
Arizona  USA

Specimen size: 10 × 6.8 × 3.7 cm = 3.94” × 2.68” × 1.46”

Main crystal size: 0.6 × 0.2 cm = 0.24” × 0.08”

With label from the Lluís Daunis Collection
Copper with Malachite. Copper with Malachite.
Copper with Malachite.
Fluorite with Sphalerite and Calcite
Fluorite with Sphalerite and Calcite. Front
Front
Fluorite with Sphalerite and Calcite. Side
Side
Fluorite with Sphalerite and Calcite  

DG14AI0: Group of very sharp and very well individualized crystals. They are translucent, bright, with a very deep and uniform violet color and they are on matrix. The sample, very esthetic and well balanced, is with and old label from North Star Minerals
Denton Mine, Sub-Rosiclare level, Goose Creek Mine group, Harris Creek Sub-District, Hardin County, Illinois  USA (03/1988)

Specimen size: 6.8 × 2.7 × 2.4 cm = 2.68” × 1.06” × 0.94”

Main crystal size: 1.8 × 1.2 cm = 0.71” × 0.47”

With label from the Lluís Daunis Collection
Fluorite (octahedral)
 

DC68AL8: Group of octahedral Fluorite crystals with staggered edges on matrix, translucent, shiny and with an intense violet color. The locality is a great North American classic for the species and in this case the crystals are larger than usual for this locality.
Pine Canyon deposit, West Burro Mountains, Burro Mountains District, Grant County, New Mexico  USA

Specimen size: 7 × 6.1 × 3.9 cm = 2.76” × 2.40” × 1.54”

Main crystal size: 3 × 2.3 cm = 1.18” × 0.91”

Fluorescent long & short UV

Former collection of Lluís Daunis
Fluorite (octahedral). Fluorite (octahedral).
Quartz (variety amethyst)
Quartz (variety amethyst). Front
Front
Quartz (variety amethyst). Side
Side
 

DX46AG0: Group of transparent and bright crystals, some with a good length. Color zoning is present in some crystals and the color more dense and uniform in others, and with phantom growths. One of those not plentiful non-Spanish samples from the Daunis collection.
Piedra Parada (Las Vigas), Municipio Tatatila, Veracruz (Veracruz de Ignacio de la Llave)  Mexico

Specimen size: 7.3 × 4.9 × 3.5 cm = 2.87” × 1.93” × 1.38”

Main crystal size: 4.2 × 1.2 cm = 1.65” × 0.47”

Former collection of Lluís Daunis

Mimetite
 

DC36AI0: Very well defined botryoidal Mimetite with a very intense and uniform yellow color. A Mexican classic, with an excellent quality.
San Pedro Corralitos, Municipio Casas Grandes, Chihuahua  Mexico

Specimen size: 5.9 × 2.4 × 1.7 cm = 2.32” × 0.94” × 0.67”

Former collection of Lluís Daunis
Mimetite. Mimetite.
Pyrite
Pyrite. Pyrite.
 

DF50AG9: Aggregate of extraordinarily bright cubic Pyrite crystals with finely striated surfaces beveled by pyritohedron faces. Yes, just a Huanzala Pyrite, but… what a great quality!
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru

Specimen size: 11.3 × 11.2 × 6.3 cm = 4.45” × 4.41” × 2.48”

Main crystal size: 3.9 × 3.9 cm = 1.54” × 1.54”

Former collection of Lluís Daunis


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