MP87AH4: Parallel growth of Copper crystals with very well defined faces and edges and skeletal growths on the back. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo District, Pima County, Arizona  USA

Specimen size: 5.3 × 2.2 × 1 cm = 2.09” × 0.87” × 0.39”

Main crystal size: 4.8 × 1.2 cm = 1.89” × 0.47”

TC13AH6: Very aerial and elegant dendritic growth with very elongated Copper crystals that near the base become larger and more equant and have better defined faces and edges. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Ajo, Little Ajo Mountains, Ajo District, Pima County, Arizona  USA

Specimen size: 6.7 × 6.4 × 2.4 cm = 2.64” × 2.52” × 0.94”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”

CT11AI3: Interstitial growths, in a clayey matrix, of feltered aggregates, with a silky luster, of capillary Cyanotrichite with a very intense color.
Copper Mountain Mine, Morenci, Copper Mountain District, Shannon Mountains, Greenlee County, Arizona  USA

Specimen size: 4.2 × 2.3 × 2.3 cm = 1.65” × 0.91” × 0.91”

NV56AH4: Neptunite crystals with very well defined terminations, very bright and on a rock matrix coated by white Natrolite. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 4.8 × 3.3 × 1.8 cm = 1.89” × 1.30” × 0.71”

Main crystal size: 1.7 × 0.5 cm = 0.67” × 0.20”

CV96AH6: Dendritic and parallel growths of elongated octahedral crystals on a Quartz matrix. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Olinghouse, Olinghouse mining district, Pah Rah Range, Washoe County, Nevada  USA

Specimen size: 1.9 × 1.6 × 0.9 cm = 0.75” × 0.63” × 0.35”

CR11AI3: Two very sharp and aerial Datolite crystals, almost complete, translucent, very bright and on matrix with Stilbite-Ca and spherulitic Prehnite growths. An old American classic.
Westfield, Hampden County, Massachusetts  USA

Specimen size: 4 × 2.8 × 2.7 cm = 1.57” × 1.10” × 1.06”

Main crystal size: 1.8 × 1 cm = 0.71” × 0.39”

CA66AI4: Group of crystals, one of them clearly dominant and all them (except one) doubly terminated. They show a prism with curved edges and a poorly defined terminal rhombohedron. The crystals are completely filled by sand inclusions. An American classic that is currently difficult to obtain in good samples because the area where they are found has been declared a National Park.
Rattlesnake Butte, Jackson County, South Dakota  USA (±1990)

Specimen size: 7.7 × 5 × 3.9 cm = 3.03” × 1.97” × 1.54”

Main crystal size: 7.2 × 3.2 cm = 2.83” × 1.26”

CP66AL4: Aggregate of cubic Silver crystals with small octahedron faces, some of them quite sharp, with very well defined crystalline shapes and others somewhat more rounded.
The specimen comes from the Carles Curto collection, whose label and catalogue information we will send to the buyer.
Encantada Mine, La Encantada, Municipio Melchor Múzquiz, Coahuila (Coahuila de Zaragoza)  Mexico

Specimen size: 2.4 × 2.3 × 1.5 cm = 0.94” × 0.91” × 0.59”

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

CX13AM1: Centered aggregates of fine acicular crystals of Aurichalcite with a slightly bluish, intense green color, on a limonitic matrix.
The specimen is from an old historical mine, and comes from the Carles Curto collection, whose label and catalogue entry we will send to the buyer.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico

Specimen size: 5.9 × 3.7 × 1.4 cm = 2.32” × 1.46” × 0.55”

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

CB47AJ7: Dendritic aggregate on matrix of very elongated Silver crystals that form parallel growths and have very well defined octahedral terminations.
La Nevada Mine, Cerro San Antonio, San Miguel, Batopilas, Andrés del Río District, Municipio Batopilas, Chihuahua  Mexico

Specimen size: 4.1 × 3.5 × 2.3 cm = 1.61” × 1.38” × 0.91”

Main crystal size: 1.2 × 0.1 cm = 0.47” × 0.04”

CA12AI3: Round mass of Cassisterite that is brownish yellow with stripes of darker color and very well defined concentric growth (the so called 'wood tin' variety).
An old Mexican classic.
Encarnación de Díaz, Altos Norte Region, Jalisco  Mexico

Specimen size: 2.8 × 2.6 × 1.6 cm = 1.10” × 1.02” × 0.63”

MT11AH4: Very sharp and bright tetrahedral Tetrahedrite crystals with twinned caramel-colored Sphalerite crystals and on a matrix of Quartz crystals. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
Concepción del Oro, Municipio Concepción del Oro, Zacatecas  Mexico

Specimen size: 4.7 × 3.9 × 2.6 cm = 1.85” × 1.54” × 1.02”

Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”

MT37AG4: Aggregate of tetragonal Carletonite crystals on a Calcite matrix with very well defined faces and edges and with a deep, uniform and intense color. The sample is from the Carlos Curto collection, whose label and card we’ll send to the buyer.
Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec  Canada (±2002)

Specimen size: 5.4 × 5 × 2.1 cm = 2.13” × 1.97” × 0.83”

Main crystal size: 1.5 × 1.3 cm = 0.59” × 0.51”

CP11AI3: Arborescent growth with deformed crystals in some areas on the sample and well developed crystals with very well defined faces in others. With good color and luster, something not so usual with such samples.
Boinás East, 360 Bench, Boinás, Belmonte de Miranda, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (20/12/2001)

Specimen size: 5.1 × 3.5 × 1.7 cm = 2.01” × 1.38” × 0.67”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”

CP97AJ7: Parallel growths of rhombohedral shaped Cinnabar crystals, large for the locality, with slightly curved faces and edges, with Quartz and on matrix.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (1968)

Specimen size: 6 × 5.7 × 5.4 cm = 2.36” × 2.24” × 2.13”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”

CC49AJ7: Distorted Pyromorphite crystals, with prismatic and pyramidal faces displaced during the growth process. They are very bright and have the best intense grass-green color, typical of the mine.
El Horcajo Mines, El Horcajo, Almodóvar del Campo, Comarca Campo de Calatrava, Ciudad Real, Castilla-La Mancha  Spain

Specimen size: 4.1 × 2.7 × 1.6 cm = 1.61” × 1.06” × 0.63”

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

CM96AH4: Strongly elongated (almost acicular) but well defined crystals, some of them doubly terminated, very bright, with a vivid green color and on matrix. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
El Horcajo Mines, El Horcajo, Almodóvar del Campo, Comarca Campo de Calatrava, Ciudad Real, Castilla-La Mancha  Spain

Specimen size: 4.4 × 3.5 × 1.4 cm = 1.73” × 1.38” × 0.55”

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

CA16AH5: Polycrystalline aggregates with rhombohedral forms and on a matrix of massive Cinnabar that has very bright cleavage surfaces. We note the presence of Cinnabar crystals, even not being so well defined due to that they are very uncommon at this mine. We’ll send to the buyer the original label and also a copy of the computer card with the full text of the collection catalog.
Carmina Mine, Güicivacas (Boicivacas), Maraña, Comarca Montaña Oriental, León, Castile and León  Spain

Specimen size: 5.2 × 2.1 × 3 cm = 2.05” × 0.83” × 1.18”

CV13AH6: Cookscomb-like aggregates of flattened Marcasite crystals with very well defined faces and edges.
The Marcasite, even considering the long time passed, has been perfectly preserved.
Eugenia Mine, Bellmunt del Priorat, Comarca Priorat, Tarragona, Catalonia / Catalunya  Spain

Specimen size: 3.2 × 3.2 × 2.2 cm = 1.26” × 1.26” × 0.87”

Main crystal size: 1.3 × 0.7 cm = 0.51” × 0.28”

CJ13AH4: Doubly terminated scalenohedral Calcite crystal whose lower termination is polycrystalline. It also has a very well defined horizontal twinning plane (perpendicular to the “c” axis) and it is with small aggregates of Marcasite crystals. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
Bellmunt del Priorat, Comarca Priorat, Tarragona, Catalonia / Catalunya  Spain

Specimen size: 9.9 × 5.9 × 4.4 cm = 3.90” × 2.32” × 1.73”

Main crystal size: 9.6 × 4.5 cm = 3.78” × 1.77”

CM12AI3: A matrix coated by Calcite (cobalt-rich variety) with an aspect clearly more crystalline than usual for the locality (a result, perhaps, of further recrystallization) and with a very intense color.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain

Specimen size: 6.2 × 5.8 × 1.9 cm = 2.44” × 2.28” × 0.75”

CR47AH6: Ferberite crystals with very well defined parallel growths, with very well defined faces and edges and excellent terminations. It is very bright and aerial on an elegant base with a Quartz crystal and rosette-like aggregates of very sharp tabular Muscovite crystals. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±1984)

Specimen size: 5.5 × 5 × 3.7 cm = 2.17” × 1.97” × 1.46”

Main crystal size: 4.5 × 3.5 cm = 1.77” × 1.38”

CQ38AH6: Floater and complete aggregate of rhombohedral crystals with rough pinacoidal terminations and sand inclusions. An excellent French classic. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Fontainebleau, Seine-et-Marne, Île-de-France  France

Specimen size: 6.4 × 5.2 × 5.2 cm = 2.52” × 2.05” × 2.05”

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

CX64AM5: Group of cubic crystals with curvatures on the edges and small remnants of a Calcite matrix. The specimen comes from the Carles Curto collection (number 1965.35), whose label and computer file we will send to the buyer.
Schneeberg District, Erzgebirgskreis, Saxony/Sachsen  Germany

Specimen size: 1.4 × 1.3 × 1.1 cm = 0.55” × 0.51” × 0.43”

Main crystal size: 1 × 1 cm = 0.39” × 0.39”

CP10AH6: Spray-like aggregates of acicular Malachite crystals that are translucent, very luminous, have a bright especially intense color and are on limonite matrix. A German classic. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany

Specimen size: 4.6 × 2.7 × 2.1 cm = 1.81” × 1.06” × 0.83”

CF14AH5: Very elongated dendritic Silver growths on a matrix of poorly defined Sphalerite crystals. It’s very difficult to obtain Silver samples from this old mine of such quality. We’ll send to the buyer the original label and also a copy of the computer card with the full text of the collection catalog.
Rudabányai Mountains, Rudabánya, Kazincbarcika District, Borsod-Abaúj-Zemplén  Hungary

Specimen size: 1.9 × 1.7 × 1.1 cm = 0.75” × 0.67” × 0.43”

Main crystal size: 1 × 0.1 cm = 0.39” × 0.04”

CG27AI8: Grossular crystals with the well balanced forms of the trapezohedron and the dodecahedron. They are translucent, very bright, and have a very intense deep color. On matrix with leafy chlorite aggregates. An Italian classic from the Carles Curto collection whose label and catalog card we will send to the buyer.
Becchi delle Curbassere, Val d'Ala, Lanzo Valleys (Valli di Lanzo), Metropolitan City of Turin Province, Piedmont (Piemonte)  Italy

Specimen size: 7.2 × 6.3 × 3.7 cm = 2.83” × 2.48” × 1.46”

Main crystal size: 0.7 × 0.4 cm = 0.28” × 0.16”

CC98AI8: Laminar and “feather-like” growths of Gold associated with thin white Quartz veins and on matrix. The sample, a Romanian classic, is from the Carles Curto collections whose label and catalog card we will send to the buyer.
Botes (Botești), Zlatna, Alba, Transylvania  Romania

Specimen size: 4 × 3.7 × 2.6 cm = 1.57” × 1.46” × 1.02”

CD90AI7: A striated crystal with a very acute rhombohedral termination, translucent and with a pronounced color zoning, green at the bottom and between red and deep pinkish from there to the top, a change of color that corresponds to two different growth phases. The sample, from one of the great classic mineral localities in Madagascar, is from the Carlos Curto collection whose original label and also a copy of the computer card with the full text in the collection catalog we’ll send to the buyer.
Sahatany Valley (Mt. Ibity), Vakinankaratra Region, Antananarivo Province  Madagascar

Specimen size: 5.7 × 3.8 × 3.2 cm = 2.24” × 1.50” × 1.26”

CPQ47ASN1: Dioptase crystals in a deep green matrix, some of them doubly terminated and perfectly defined, accompanied by globular aggregates of Shattuckite crystals of intense navy blue color, which is not so common for the species, in clear color contrast with the green Dioptase.
The specimen comes from the duplicate collection of Carles Curto (number 2006.25), whose digital record will be sent to the buyer of the piece.
Tantara Mine, Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba)  Democratic Republic of the Congo (Zaire) (+2006)

Specimen size: 5.7 × 5 × 3.8 cm = 2.24” × 1.97” × 1.50”

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

CXF69ASN1: Growth of two prismatic blue Topaz crystals with very defined faces and edges, very sharp and bright, and very rich in faces. They are between transparent and translucent and come from Brazilian pegmatites, in this case from Virgem da Lapa.
The specimen comes from the duplicate collection of Carles Curto (number 1985.02), whose digital record will be sent to the buyer of the piece.
Virgem da Lapa, Jequitinhonha, Minas Gerais  Brazil (+1985)

Specimen size: 4.2 × 4.1 × 4 cm = 1.65” × 1.61” × 1.57”

Main crystal size: 4.1 × 3.2 cm = 1.61” × 1.26”

MN86AH4: Slightly tabular doubly terminated Fluor-uvite crystals with minor prismatic faces and a very flat predominant rhombohedron. They are on a matrix of a very sharp rhombohedral Magnesite crystals. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
Pomba Pit, Serra das Éguas, Brumado, Bahia, Northeast Region  Brazil

Specimen size: 4.5 × 3.1 × 2.8 cm = 1.77” × 1.22” × 1.10”

Main crystal size: 1 × 0.7 cm = 0.39” × 0.28”

CM87AJ0: Very aerial rosette aggregates of laminar Albite (cleavelandite variety) crystals implanted on an Orthoclase crystal.
The sample is from the Carles Curto collection whose label and catalog card we will send to the buyer.
Xanda Mine, Virgem da Lapa, Jequitinhonha, Minas Gerais  Brazil (±1983)

Specimen size: 11.8 × 10.7 × 4.5 cm = 4.65” × 4.21” × 1.77”

CX16AH6: Gold pebble that on one of its sides partially preserves some of the well-defined original crystalline forms and includes small Quartz granules. The sample is from an ancient locality in the Dominican Republic that is considered as historic. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Pueblo Viejo Mine, Cotuí, Municipio Cotuí, Sánchez Ramírez Province  Dominican Republic

Specimen size: 1.1 × 1.1 × 0.3 cm = 0.43” × 0.43” × 0.12”

TV47AH6: Isolated cubic crystal, something that is very uncommon with Acanthite, deformed but with very well defined faces and edges. It is bright and on a Calcite and Quartz matrix with massive Proustite. The sample is from a historic mine, very well known for Proustite crystals but where crystallized Acanthite is rare. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Dolores Mine, Chañarcillo, Copiapó Province, Atacama Region  Chile

Specimen size: 5 × 4.5 × 2.2 cm = 1.97” × 1.77” × 0.87”

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

CB16AH5: Interstitial native Gold with hooked, laminar and granular forms, spread in a matrix of massive Quartz. We note the locality, very unusual, from which only very few specimens of collection quality are known. We’ll send to the buyer the original label and also a copy of the computer card with the full text of the collection catalog.
Magdalena River, Barrancabermeja, Santander Department  Colombia

Specimen size: 4.9 × 4.0 × 1.8 cm = 1.93” × 1.57” × 0.71”

CR76AI6: An association that is very uncommon at Pasto Bueno of Hübnerite and crystals of the Tennantite-Tetrahedrite Series. The Hübnerite is a floater crystal, between translucent and opaque, that has very well defined faces on both terminations. On this crystal there is a small group of Quartz crystals on which is a sharply twinned Tennantite-Tetrahedrite crystal.
The sample is from the Carles Curto collection whose label we’ll send to the buyer.
Huayllapon Mine (Huallapon Mine), Pasto Bueno, Pampas District, Pallasca Province, Ancash Department  Peru (±1984)

Specimen size: 5.6 × 2.8 × 2.1 cm = 2.20” × 1.10” × 0.83”

CX12AI3: Very sharp dodecahedral Andradite crystals, one of them clearly dominant. They are well centered on the matrix, translucent with a deep olive green color and on a matrix coated by small Epidote crystals with a lighter green color.
Marki Khel, Spin Ghar Mountains, Khogyani District, Nangarhar Province  Afghanistan

Specimen size: 4.7 × 4.4 × 3.2 cm = 1.85” × 1.73” × 1.26”

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