Mineral Specimens - page 18
The Carles Curto Collection (duplicates)

CT66AM1: Prismatic crystal with flat contacts at the back of the prism, parallel growths and polycrystalline formations with sharp terminal faces.
The specimen, from an old historical mine, comes from the Carles Curto collection, whose label and catalogue entry we will send to the buyer.
Big Boulder Mine, Larimer County, Colorado  USA

Specimen size: 2.5 × 2.1 × 1.3 cm = 0.98” × 0.83” × 0.51”

CR66AJ0: Octahedral Franklinite crystal on matrix with the classical shape of the samples from Franklin in the sixties of the last century. It has very well defined faces and edges which are slightly curved. An American classic from the type locality for the species.
The sample is from the Carles Curto collection whose label and catalog card we will send to the buyer.
Franklin, Franklin Mining District, Sussex County, New Jersey  USA

Specimen size: 2.5 × 2.5 × 2.1 cm = 0.98” × 0.98” × 0.83”

CXF86AP1: Druse of Pyromorphite crystals with very sharp crystal forms, with bright luster and a vivid green color. In matrix and different from what we usually know from El Horcajo.
The specimen comes from the Carles Curto collection duplicates (number 1974.26), whose label and data sheet we will send to the buyer.
El Horcajo Mines, El Horcajo, Almodóvar del Campo, Comarca Campo de Calatrava, Ciudad Real, Castilla-La Mancha  Spain

Specimen size: 3.3 × 2.5 × 2.6 cm = 1.30” × 0.98” × 1.02”

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

CRM96AP1: Acicular crystals of yellowish green Pyromorphite with curvatures on the faces and edges, with good luster, on matrix.
The specimen comes from the Carles Curto collection duplicates (number 2008.23), whose label and computer entry we will send to the buyer. Previously in the collection of Silvane (Josep Amigó), from Barcelona.
El Horcajo Mines, El Horcajo, Almodóvar del Campo, Comarca Campo de Calatrava, Ciudad Real, Castilla-La Mancha  Spain

Specimen size: 5.5 × 2.5 × 2.0 cm = 2.17” × 0.98” × 0.79”

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

CBR17AQ0: Druse, on matrix, of fine acicular crystals of Pyromorphite, with some transparency and an intense and uniform green color, on matrix.
The specimen comes from the collection of duplicates of Carles Curto (number 2008.58), whose label and computer file we will send to the buyer.
Saint-Salvy Mine, Saint-Salvy-de-la-Balme, Tarn, Occitanie  France

Specimen size: 9 × 4.3 × 2.1 cm = 3.54” × 1.69” × 0.83”

Main crystal size: 0.7 × 0.1 cm = 0.28” × 0.04”

CQ87AI5: Group, on matrix, of lenticular crystals, one of them clearly dominant, with very well defined faces and edges, bright with a color that is intense, very much more vivid than usual for the locality.
The sample is from the Carles Curto collection whose label and catalog card we’ll send to the buyer.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France

Specimen size: 3.5 × 3 × 1.5 cm = 1.38” × 1.18” × 0.59”

Main crystal size: 2.4 × 1.4 cm = 0.94” × 0.55”

CV68AM5: Group of crystals with a short prismatic habit and a very sharp hexagonal outline, with good terminations, and a bright luster. The specimen comes from the Carles Curto collection (number 1976.23), whose label and computer file we will send to the buyer.
Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen  Germany

Specimen size: 2.8 × 2.5 × 1.6 cm = 1.10” × 0.98” × 0.63”

Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”

TC2120DLM: Floater Sulphur crystal with a truncated bipyramidal shape, with polycrystalline growths on their faces, translucent, with good luster and a very vivid color and with small white Celestine coatings.
With label from the Lluís Daunis collection.
Racalmuto Mine, Racalmuto, Agrigento (Girgenti) Province, Sicily  Italy

Specimen size: 3.4 × 3.2 × 2.1 cm = 1.34” × 1.26” × 0.83”

CBB86AQ0: Druse of flattened Barytocalcite crystals, a known but rare species, translucent, ivory colored, and on matrix.
The specimen comes from the collection of duplicates of Carles Curto (number 1978.105), whose label and computer file we will send to the buyer. Although it was stated to be Alstonite, we have analyzed it and the analytical results (of which we will send a copy to the buyer) show that it is actually Barytocalcite.
Brownley Hill Mine, Nenthead, Alston Moor District, North Pennines Orefield, former Cumberland, Cumbria  England / United Kingdom

Specimen size: 6 × 4.6 × 3.6 cm = 2.36” × 1.81” × 1.42”

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

CBM87AP6: Groups of very sharp bipyramidal crystals of Libethenite, with good luster and a very deep color. On matrix and with small Calcite crystals.
An English classic that comes from the collection of duplicates of Carles Curto, whose label and computer file we will send to buyer.
Phoenix United Mine, Minions, Linkinhorne, Liskeard District, Cornwall  England / United Kingdom

Specimen size: 4.2 × 4.6 × 2 cm = 1.65” × 1.81” × 0.79”

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

SM90CEX: Parallel growths of Acanthite crystals of octahedral habit (pseudomorphs after Argentite), with sharp crystal forms.
The specimen comes from the Carles Curto collection (number 2008.25), whose handwritten label and computer file we will send to the buyer.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco (±2008)

Specimen size: 4.8 × 4.6 × 3.7 cm = 1.89” × 1.81” × 1.46”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”

CB96AN2: Parallel growths of equant crystals of primary Malachite, with good luster and a very deep and uniform color, on matrix with Dolomite.
The specimen comes from the Carles Curto collection (number 1978.14), whose label and computer catalogue entry we will send to the buyer.
Jebel Irhoud, Youssoufia Province, Marrakesh-Safi Region  Morocco

Specimen size: 4.6 × 2.8 × 2.6 cm = 1.81” × 1.10” × 1.02”

Main crystal size: 1 × 0.8 cm = 0.39” × 0.31”

CFB26AP1: Dioptase crystals more isolated than usual for the deposit. Very profiled, with elongated prisms and very sharp rhombohedral terminations. Translucent, shiny, with an intense color, and on matrix with white rhombohedral Dolomite crystals.
The specimen comes from the duplicates of the Carles Curto collection (number 1981.15), whose label and computer entry we will send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 3.9 × 3.6 × 2.6 cm = 1.54” × 1.42” × 1.02”

Main crystal size: 0.9 × 0.4 cm = 0.35” × 0.16”

CC27AM5: Group of Malachite pseudomorphs after Azurite crystals, one of them doubly terminated and clearly dominant, with surfaces recrystallized by finely fibrous Malachite with a silky luster. The specimen comes from the Carles Curto collection (number 1982.16.1), whose label and computer file we will send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia (±1982)

Specimen size: 3.3 × 3.3 × 2.6 cm = 1.30” × 1.30” × 1.02”

Main crystal size: 3.1 × 2.3 cm = 1.22” × 0.91”

CB59AL8: Very sharp lamellar crystals of Wulfenite with notably distinct dipyramid faces, great luster and a color between yellow and cream. On matrix.
The specimen, from one of the most classic localities for the species, comes from the Carles Curto collection whose label and catalogue entry we will send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 4.6 × 3.1 × 2.1 cm = 1.81” × 1.22” × 0.83”

Main crystal size: 0.9 × 0.8 cm = 0.35” × 0.31”

CFR86AP9: Group of tabular Hematite crystals, one of them clearly dominant, very lustrous, with fine striations and geometric growth forms. A classic of Brazilian mineralogy.
The specimen comes from the Carles Curto collection of duplicates (number 1988.28) whose label and computer file we will send to the buyer.
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Northeast Region  Brazil

Specimen size: 3.2 × 3.1 × 0.6 cm = 1.26” × 1.22” × 0.24”

Main crystal size: 3.2 × 2.5 cm = 1.26” × 0.98”

CTZ87AP6: Parallel growth of two twinned Ernstite crystals, pseudomorphs after Childrenite or Eosphorite, very sharp and of good size.
This specimen, of a species whose name could be modified in future, comes from the collection of duplicates of Carles Curto, whose label and computer file we will send to the buyer.
Córrego Frio Mine, Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais  Brazil

Specimen size: 6.6 × 2.3 × 1.8 cm = 2.60” × 0.91” × 0.71”

CY96AM5: Arborescent growth of very shiny Copper crystals with very well defined dodecahedron forms. An excellent miniature that comes from the Carles Curto collection (number 1984.24), whose label and computer file we will send to the buyer.
Corocoro, Pacajes Province, La Paz Department  Bolivia

Specimen size: 3.2 × 2.7 × 1.6 cm = 1.26” × 1.06” × 0.63”

Main crystal size: 0.8 × 0.5 cm = 0.31” × 0.20”

CF69AJ4: Radial groups of very sharp and well defined flattened prismatic Franckeite crystals with an implanted dipyramidal Stannite crystal and small acicular Zinkenite crystals.
The sample is from the Carles Curto collection whose label and catalog card we will send to the buyer.
San José Mine, Oruro City, Cercado Province, Oruro Department  Bolivia (±1987)

Specimen size: 7.6 × 3.9 × 5.6 cm = 2.99” × 1.54” × 2.20”

Main crystal size: 1.2 × 1 cm = 0.47” × 0.39”

CLM47AP9: Floater group of Pyromorphite crystals with a tapered habit, many of them doubly terminated, with good luster and an intense and uniform green color.
The specimen comes from Carles Curto's collection of duplicates (number 2008.30) whose label and computer file we will send to the buyer.
Daoping Mine, Gongcheng, Guilin Prefecture, Guangxi Zhuang Autonomous Region  China (±2008)

Specimen size: 3.6 × 3.3 × 2.1 cm = 1.42” × 1.30” × 0.83”

Main crystal size: 0.7 × 0.2 cm = 0.28” × 0.08”

CAR99AP7: Group of tabular Beryl crystals dominated by the pinacoid, with the prism faces being little developed. They are transparent, with very good luster and a uniform pale blue color (aquamarine variety), accompanied by very sharp and lustrous lamellar crystals of Muscovite.
This very elegant specimen comes from the Carles Curto collection's duplicates (number 2013.22), whose label and digital record we will send to the buyer.
Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province  China (±2013)

Specimen size: 7.1 × 4.8 × 2.6 cm = 2.80” × 1.89” × 1.02”

Main crystal size: 3.1 × 3.1 cm = 1.22” × 1.22”

CPR73AP6: Group of very sharp octahedral Gold crystals, with very deeply hoppered faces, very lustrous and with small fragments of Quartz.
The specimen comes from the collection of duplicates of Carles Curto, whose label and computer file we will send to the buyer.
Poverty Reef, Tarnagulla, Loddon Shire, Victoria  Australia (±1987)

Specimen size: 1.7 × 1.7 × 0.7 cm = 0.67” × 0.67” × 0.28”

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