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Mineral Specimens - page 19
The Carles Curto Collection

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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

 


Born in Barcelona in 1950. Right from my early childhood, at the age of ten, and thanks to the mountaineer and naturalist who was my maternal grandfather (who gave me my first collection in 1960), I got in touch with the world of minerals, a hobby that was still a little unknown back then but that was clarified by frequent visits to the Geology Museum in Barcelona and the "old style" shop of Soler Pujol, in the Plaza Real of downtown Barcelona city. In both places I had the opportunity to get to know, along with other newcomers to the hobby, the most expert and highest level collectors, such as D. Josep Cervelló and D. Joaquín Folch.

Between 1962 and 1965, after many Saturday mornings in the Geology Museum in Barcelona, with the ineffable presence of the concierge, D. Francisco García Espino, who sold us modest specimens, always accompanied by some interesting explanation, and with visits to other private collections I was made aware of what could really interest me and I made a qualitative first selection among the wide mix of various objects that I had accumulated and I eliminated a good number of them from a jumble of massive minerals, rocks and fossils (and, why not say it: "pebbles")

In 1969 I decided to start my university studies in the Faculty of Geology of the University of Barcelona, requesting, at the same time, a scholarship from the Municipal Museum of Geology, entering, in 1973, as an interim curator. It was not until years later the 1978 that I became -after examination- to the position of curator.

At the beginning of the seventies, coinciding with an era of special mineralogical activity, the collection continued to grow based on a "classic" (systematic-crystallographic) model, but with more attention to aspects of documentation and genetic interest than to other more "aesthetic" aspects . I was particularly struck by the crystalline morphology and the mineralogical "curiosities", with the final result being an eclectic collection, maybe very irregular, but full of suggestions and surprises and that ended up branching into a section of miniatures.

 

Carles Curto

With the arrival of computerization, in the early eighties, I decided to seriously address the cataloging and bibliography, which I took advantage of to donate a large part of my collection to the Geology Museum of the School of Mining Engineers of the Polytechnic University of Manresa and, many of the most beautiful and significant specimens, to the Museum of Geology (now Museum of Natural Sciences) of Barcelona. It was also at this time that I developed more academic activity and started to inform other people, with numerous publications and collaborations.

In 2017, retired, I decided to make a new start (is it a matter of age?), take a mineralogical break, limit what really interests me and go about reducing things that no longer fit, which is what I have time to do.

Be kind with my selection and enjoy it.

 

America


Datolite with Prehnite
Datolite with Prehnite.
Datolite with Prehnite

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 = 1.6” × 1.1” × 1.1”

Main crystal size: 1.8 × 1 cm = 0.7” × 0.4”

Former collection of Carles Curto




Sold
Cyanotrichite
Cyanotrichite

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 = 1.7” × 0.9” × 0.9”

Former collection of Carles Curto




Cyanotrichite.
Sold
Copper
Copper. Copper.
Copper

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 = 2.6” × 2.5” × 0.9”

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

Former collection of Carles Curto




Sold
Inesite
Inesite

CT96AI3: Groups of Inesite crystals with very well defined simple forms, bright and with a very intense pink color, on a matrix of the same Inesite with minor Calcite. The locality is an American classic for the species. The sample is from a J. Fabre exchange with the collection of duplicates of Joaquín Folch in the year 1987, when this collection was not well known under this name.
Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California  USA (1973)

Specimen size: 6.4 × 4 × 3.5 cm = 2.5” × 1.6” × 1.4”

Main crystal size: 1.2 × 0.4 cm = 0.5” × 0.2”

Former collection of Carles Curto




Inesite. Inesite.
Order
Neptunite and Natrolite
Neptunite and Natrolite. Neptunite and Natrolite.
Neptunite and Natrolite

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), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito County, California  USA

Specimen size: 4.8 × 3.3 × 1.8 cm = 1.9” × 1.3” × 0.7”

Main crystal size: 1.7 × 0.5 cm = 0.7” × 0.2”

Former collection of Carles Curto




Order
Gold with Quartz
Gold with Quartz

CM86AH6: Group of much flattened Gold crystals on a Quartz matrix. They have very neat contour, well defined faces and edges, and are very bright. The sample is from the first (1989) of the Gold at the Eagle’s Nest mine. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Eagle's Nest Mine, Sage Hill, Michigan Bluff District, Placer County, California  USA (±1989)

Specimen size: 1.5 × 1 × 0.8 cm = 0.6” × 0.4” × 0.3”

Former collection of Carles Curto




Gold with Quartz. Gold with Quartz.
Order
Gold with Quartz
Gold with Quartz. Gold with Quartz.
Gold with Quartz

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 District, Pah Rah Range, Washoe County, Nevada  USA

Specimen size: 1.9 × 1.6 × 0.9 cm = 0.7” × 0.6” × 0.4”

Former collection of Carles Curto




Sold
Cassiterite
Cassiterite

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 = 1.1” × 1.0” × 0.6”

Former collection of Carles Curto




Cassiterite. Front
Front
Cassiterite. Rear
Rear
Sold
Adamite
Adamite.
Adamite

CC76AI3: Fan-like growths on limonite matrix of Adamite crystals with very well defined faces and edges, very bright and with a very intense yellow color.
Mapimí, Municipio Mapimí, Durango  Mexico

Specimen size: 3.9 × 3.9 × 1.7 cm = 1.5” × 1.5” × 0.7”

Very fluorescent long & short UV

Former collection of Carles Curto




Sold
Arsenopyrite
Arsenopyrite

CM76AI3: Floater druse of sharp bright crystals with simple forms and excellent terminal faces. The samples of Arsenopyrite from Concepción del Oro, relatively common some time ago, are currently very rare.
Bonanza Mine, Concepción del Oro, Municipio Concepción del Oro, Zacatecas  Mexico

Specimen size: 5.8 × 5.1 × 3.7 cm = 2.3” × 2.0” × 1.5”

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

Former collection of Carles Curto




Arsenopyrite. Arsenopyrite.
Sold
Tetrahedrite with Sphalerite and Quartz
Tetrahedrite with Sphalerite and Quartz. Tetrahedrite with Sphalerite and Quartz.
Tetrahedrite with Sphalerite and Quartz

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 = 1.9” × 1.5” × 1.0”

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

Former collection of Carles Curto




Order
Silver With Calcite
Silver With Calcite

CC13AH5: Aggregate on a Calcite matrix of very sharp distorted cube faces that have very well defined faces and edges. 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.
La Riza Mine, Mineral del Monte, Municipio Mineral del Monte, Hidalgo  Mexico

Specimen size: 1.7 × 1.5 × 1.2 cm = 0.7” × 0.6” × 0.5”

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

Calcite fluorescent short UV

Former collection of Carles Curto




Silver With Calcite. Silver With Calcite.
Sold
Gold on Quartz
Gold on Quartz. Front
Front
Gold on Quartz. Rear
Rear
Gold on Quartz.
Gold on Quartz

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 = 1.9” × 1.6” × 0.7”

Former collection of Carles Curto




Sold
Gold
Gold

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 = 0.4” × 0.4” × 0.1”

Former collection of Carles Curto

Weight: 1.38 grams



Gold.
Sold
Paravauxite
Paravauxite. Paravauxite.
Paravauxite

MV14AH4: Very sharp Paravauxite crystals on a rock matrix. The crystals are pearly white, translucent and very bright. The sample is from the type locality for the species. 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.
Siglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosí Department  Bolivia

Specimen size: 4.6 × 4.1 × 1.6 cm = 1.8” × 1.6” × 0.6”

Main crystal size: 0.6 × 0.1 cm = 0.2” × 0.0”

Former collection of Carles Curto




Order
Acanthite with Proustite
Acanthite with Proustite

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 = 2.0” × 1.8” × 0.9”

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

Calcite minor fluorescence long & short UV

Former collection of Carles Curto




Acanthite with Proustite. Acanthite with Proustite.
Acanthite with Proustite.
Sold

Spain


Jarosite
Jarosite. Jarosite.
Jarosite.
Jarosite

CB26AI3: Jarosite crystals on matrix with very well defined faces and edges, transparent and very bright.
Socavón Santa Bárbara (Túnel El Arteal), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia  Spain (08/1997)

Specimen size: 6.2 × 5.3 × 1.4 cm = 2.4” × 2.1” × 0.6”

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

Former collection of Carles Curto




Sold
Copper
Copper

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 Este, 360 Bench, Boinás, Belmonte de Miranda, Asturias, Principality of Asturias  Spain (20/12/2001)

Specimen size: 5.1 × 3.5 × 1.7 cm = 2.0” × 1.4” × 0.7”

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

Former collection of Carles Curto




Copper. Front
Front
Copper. Rear
Rear
Copper.
Sold
Calcite (variety cobaltoan)
Calcite (variety cobaltoan).
Calcite (variety cobaltoan)

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, Lleida/Lérida, Catalonia  Spain

Specimen size: 6.2 × 5.8 × 1.9 cm = 2.4” × 2.3” × 0.7”

Former collection of Carles Curto


Euro:70 / US$79 / Yen:9000 / AUD$109

Reservado
Calcite (variety cobaltoan)
Calcite (variety cobaltoan)

CH9AH4: Botryoidal pale pink growths with recrystallized deep pink coralloid formations. 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.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lleida/Lérida, Catalonia  Spain

Specimen size: 4.1 × 4 × 2.2 cm = 1.6” × 1.6” × 0.9”

Fluorescent long & short UV

Former collection of Carles Curto




Calcite (variety cobaltoan). Calcite (variety cobaltoan).
Order
Marcasite with Calcite
Marcasite with Calcite.
Marcasite with Calcite

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  Spain

Specimen size: 3.2 × 3.2 × 2.2 cm = 1.3” × 1.3” × 0.9”

Main crystal size: 1.3 × 0.7 cm = 0.5” × 0.3”

Former collection of Carles Curto




Sold
Almandine with Quartz
Almandine with Quartz

CD65AH5: Isolated trapezohedral Almandine crystals with very well defined faces and edges, with very finely growth-oriented striations on the faces, transparent, bright and with a very intense and uniform color. They have grown on a group of Quartz crystals, one of them clearly dominant, with a feldspar matrix. 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.
Viladrau, Comarca Osona, Girona/Gerona, Catalonia  Spain

Specimen size: 4.7 × 3.6 × 3.2 cm = 1.9” × 1.4” × 1.3”

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

Former collection of Carles Curto




Almandine with Quartz. Almandine with Quartz.
Sold
Sphalerite
Sphalerite. Front
Front
Sphalerite. Light behind
Light behind
Sphalerite

CR90AH6: Sphalerite crystals with very well defined parallel and polycrystalline growths, with the predominant forms of a tetrahedron, with curvatures on faces and edges, bright and completely transparent with an excellent caramel color, very uniform. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Las Mánforas Mine, Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain (±1969)

Specimen size: 6.8 × 4.9 × 3.2 cm = 2.7” × 1.9” × 1.3”

Main crystal size: 3.8 × 3.2 cm = 1.5” × 1.3”

Former collection of Carles Curto




Sold
Aragonite (variety cuprian)
Aragonite (variety cuprian)

CT36AH6: Coralloid and botryoidal growths with micro-acicular surfaces. The nice blue color is due to copper salts inclusions. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Mina La Profunda, Collada de Cármenes, Cármenes, León, Castile and León  Spain (04/1970)

Specimen size: 7.4 × 6.7 × 3.9 cm = 2.9” × 2.6” × 1.5”

Former collection of Carles Curto




Aragonite (variety cuprian).
Order
Cinnabar
Cinnabar. Cinnabar.
Cinnabar

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 = 2.0” × 0.8” × 1.2”

Former collection of Carles Curto




Sold
Pyromorphite
Pyromorphite

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 = 1.7” × 1.4” × 0.6”

Main crystal size: 0.8 × 0.1 cm = 0.3” × 0.0”

Minor fluorescence short UV

Former collection of Carles Curto




Pyromorphite. Pyromorphite.
Sold

Europe


Copper
Copper. Front
Front
Copper. Rear
Rear
Copper

CN16AI3: Very elongated single Copper crystal with the Spinel law twin. The sample is from a Russian locality that is a great classic but of which there are very samples.
Krasnotur'insk (Bogolovsk), Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region  Russia

Specimen size: 5.2 × 1.7 × 1 cm = 2.0” × 0.7” × 0.4”

Former collection of Carles Curto




Sold
Brookite with Quartz
Brookite with Quartz

CD16AI3: Very sharp laminar Brookite crystals that are transparent and bright with an orange brown color. They are implanted on a group of doubly terminated Quartz crystals with polycrystalline growths.
Puiva Mount, Saranpaul, Khanty-Mansi Okrug, Tyumenskaya Oblast', Polar Urals, Western-Siberian Region  Russia

Specimen size: 7.8 × 4 × 2.9 cm = 3.1” × 1.6” × 1.1”

Main crystal size: 1.8 × 1 cm = 0.7” × 0.4”

Former collection of Carles Curto




Brookite with Quartz. Brookite with Quartz.
Order
Opal (variety hyalite)
Opal (variety hyalite). Opal (variety hyalite).
Opal (variety hyalite)

CC10AI3: Clear and colorless botryoidal aggregate that is very bright, on matrix and is fluorescent with an UV lamp. A precursor of the current hyalites from Central Europe.
Valeč, Doupov, Karlovy Vary Region, Bohemia  Czech Republic

Specimen size: 4.2 × 3.4 × 2.6 cm = 1.7” × 1.3” × 1.0”

Fluorescent short UV

Former collection of Carles Curto




Order
Pyromorphite
Pyromorphite

CD11AI3: Polycrystalline growth of partially doubly terminated crystals with very well defined faces and edges, bright and with a pale brown color. The sample was acquired at the Soler Pujol shop, in Barcelona on a date that should be very probably between 1959 and 1961.
Bad Ems, Bad Ems District, Lahn Valley, Rhineland-Palatinate/Rheinland-Pfalz  Germany

Specimen size: 2 × 1.1 × 1 cm = 0.8” × 0.4” × 0.4”

Main crystal size: 0.9 × 0.8 cm = 0.4” × 0.3”

Minor fluorescence long & short UV

Former collection of Carles Curto




Pyromorphite. Front
Front
Pyromorphite. Side
Side
Sold
Malachite
Malachite. Malachite.
Malachite

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 = 1.8” × 1.1” × 0.8”

Former collection of Carles Curto




Sold
Ferberite with Quartz and Muscovite
Ferberite with Quartz and Muscovite

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 = 2.2” × 2.0” × 1.5”

Main crystal size: 4.5 × 3.5 cm = 1.8” × 1.4”

Former collection of Carles Curto




Ferberite with Quartz and Muscovite. Front
Front
Ferberite with Quartz and Muscovite. Top
Top
Sold
Sand after Calcite
Sand after Calcite. Front
Front
Sand after Calcite. Side
Side
Sand after Calcite. Side
Side
Sand after Calcite

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 = 2.5” × 2.0” × 2.0”

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

Former collection of Carles Curto




Sold
Pyromorphite
Pyromorphite

MR37AH4: Radial and fan-like aggregates, on a Quartz matrix, of mostly acicular Pyromorphite crystals with a very intense and uniform green color. An European classic seen only from old finds. 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.
Saint-Salvy Mine, Saint-Salvy-de-la-Balme, Tarn, Occitanie  France

Specimen size: 7.5 × 5.4 × 2.9 cm = 3.0” × 2.1” × 1.1”

Main crystal size: 0.8 × 0.3 cm = 0.3” × 0.1”

Former collection of Carles Curto




Pyromorphite. Pyromorphite.
Sold
Celestine
Celestine. Front
Front
Celestine. Rear
Rear
Celestine

MF26AH4: Parallel growth of Celestine crystals with very well defined faces and edges, bright, with transparent terminations that are very rich in faces. An Italian classic. 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.
Floristella Mine, Enna (Castrogiovanni), Enna Province, Sicily  Italy

Specimen size: 7.2 × 2.6 × 2.4 cm = 2.8” × 1.0” × 0.9”

Main crystal size: 7.2 × 2.4 cm = 2.8” × 0.9”

Very fluorescent long & short UV

Former collection of Carles Curto




Sold
Silver with Sphalerite
Silver with Sphalerite

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.
Rudabánya, Rudabányai Mountains, Borsod-Abaúj-Zemplén  Hungary

Specimen size: 1.9 × 1.7 × 1.1 cm = 0.7” × 0.7” × 0.4”

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

Former collection of Carles Curto




Silver with Sphalerite.
Sold
Uvarovite with Quartz
Uvarovite with Quartz.
Uvarovite with Quartz

CE27AH5: Isolated Uvarovite crystals, one of them clearly dominant, dodecahedral, beveled by the trapezohedron, with very well defined faces and edges and excellent color, very intense and uniform and on a Quartz matrix. We’ll send to the buyer the original label and also a copy of the computer card with the full text the collection catalog.
Outokumpu, Tornio, Lapland Region  Finland

Specimen size: 2.4 × 2.1 × 1.6 cm = 0.9” × 0.8” × 0.6”

Main crystal size: 0.9 × 0.8 cm = 0.4” × 0.3”

Former collection of Carles Curto




Sold

Africa


Smithsonite
Smithsonite

CR46AI3: Druse of rhombohedral Smithsonite crystals on matrix. They are well defined with fine growth striations and are translucent, bright and have a uniform and attractive pinkish color.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 4.2 × 3.7 × 3.1 cm = 1.7” × 1.5” × 1.2”

Main crystal size: 1 × 0.7 cm = 0.4” × 0.3”

Former collection of Carles Curto




Smithsonite.
Order
Dioptase
Dioptase. Front
Front
Dioptase. Top
Top
Dioptase.
Dioptase

CP69AH4: Aggregate of prismatic Dioptase crystals with acute rhombohedral terminations. They are translucent, very bright, and have a very deep and uniform color. 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.
'Mbumba, Pimbi hill, Mindouli, Mindouli District, Pool Department  Congo DR (Zaire)

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

Main crystal size: 2.8 × 1.4 cm = 1.1” × 0.6”

Former collection of Carles Curto




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Asia-Australia


Babingtonite with Prehnite
Babingtonite with Prehnite

CA67AI3: Complete and doubly terminated Babingtonite crystal with excellent terminations, very well defined faces and edges, polycrystalline growths and very bright surfaces. These Chinese Babingtonites have almost disappeared from the mineral market and the best are those that first appeared.
Babingtonite occurrences, Qiaojia, Zhaotong Prefecture, Yunnan Province  China (±2009)

Specimen size: 3.1 × 2.7 × 2 cm = 1.2” × 1.1” × 0.8”

Main crystal size: 2.1 × 1.8 cm = 0.8” × 0.7”

Former collection of Carles Curto




Babingtonite with Prehnite. Front
Front
Babingtonite with Prehnite. Rear
Rear
Babingtonite with Prehnite. Side
Side
Babingtonite with Prehnite. Top
Top
Sold
Babingtonite with Prehnite
Babingtonite with Prehnite. Front
Front
Babingtonite with Prehnite. Rear
Rear
Babingtonite with Prehnite.
Babingtonite with Prehnite

CB69AI3: Very aerial group of very sharp and flattened crystals, a lot of them doubly terminated. They are bright with a deep black color and are on a matrix of botryoidal Prehnite. These Chinese Babingtonites have almost disappeared from the mineral market and the best are those that first appeared.
Babingtonite occurrences, Qiaojia, Zhaotong Prefecture, Yunnan Province  China (±2008)

Specimen size: 8.3 × 4 × 3.2 cm = 3.3” × 1.6” × 1.3”

Main crystal size: 2.3 × 1.7 cm = 0.9” × 0.7”

Former collection of Carles Curto




Order
Andradite with Epidote
Andradite with Epidote

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 = 1.9” × 1.7” × 1.3”

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

Former collection of Carles Curto


Euro:70 / US$80 / Yen:9170 / AUD$113

Andradite with Epidote. Andradite with Epidote.
Reservado
Beryl (variety aquamarine)
Beryl (variety aquamarine). Front
Front
Beryl (variety aquamarine). Rear
Rear
Beryl (variety aquamarine)

MV87AH6: Parallel growth of two doubly terminated Beryl (aquamarine variety) crystals, with a flat termination on one end and very well defined acute pyramids on the other end. They are transparent, very bright with a pale and uniform blue color and are on a matrix of tabular Albite crystals. We’ll send to the buyer the original label and also a copy of the computer card with the full collection catalog text.
Shengus (Shingus), Haramosh Mountains, Skardu District, Baltistan, Gilgit-Baltistan (Northern Areas)  Pakistan (±1985)

Specimen size: 3.6 × 3.5 × 1.7 cm = 1.4” × 1.4” × 0.7”

Main crystal size: 3.6 × 1.2 cm = 1.4” × 0.5”

Former collection of Carles Curto




Order


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