Mineral specimens search results


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MN56AM8: Columbite (Group)
Complete floater Columbite (Group) crystal, very rich in crystal forms, lustrous, and with fine polycrystalline growths.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Mahaiza, Betafo District, Vakinankaratra Region  Madagascar
Specimen size: 2.8 × 1.3 × 1 cm = 1.10” × 0.51” × 0.39”
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TD16AN2: Columbite (Group)
Columbite group crystal, partially doubly terminated, very sharp and rich in faces. Based on its origin it is probably Columbite-(Fe). Of excellent quality for the locality. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Londonderry pegmatite, Coolgardie Shire, Western Australia  Australia
Specimen size: 2.1 × 1 × 0.8 cm = 0.83” × 0.39” × 0.31”
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TRL56AO4: Columbite-(Fe)
Floater group of very sharp Columbite-(Fe) crystals, one of them clearly dominant and doubly terminated, twinned and with very sharp crystal forms. We will send the buyer the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label, stating that it was previously in the Melanson collection.
João Modesto dos Santos Mine, Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais  Brazil
Specimen size: 2 × 1.1 × 1.2 cm = 0.79” × 0.43” × 0.47”
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MJ96AM7: Columbite-(Fe)
Very sharp crystal of Columbite-(Fe) with excellent crystal forms, partially doubly terminated, lustrous.
We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label. It also contains the label, which indicates that it was in the Melanson collection.
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil
Specimen size: 2.8 × 1.3 × 0.8 cm = 1.10” × 0.51” × 0.31”
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GM67P9: Columbite-(Fe)
Extraordinary group of crystals in parallel growths, rich in faces and having very well defined forms. The sample has been well analyzed and we’ll send a copy of the analysis to the buyer.
Itambé, Bahia, Northeast Region  Brazil
Specimen size: 7 × 4.2 × 3.9 cm = 2.76” × 1.65” × 1.54”
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HM110GA: Conichalcite
Groups of Conichalcite crystals, with good luster and with a very vivid green color, on a limonite matrix.
Former collection of Pedro Goy. Number 283.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico (±1982)
Specimen size: 7.6 × 5.7 × 3.8 cm = 2.99” × 2.24” × 1.50”
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TK87AL5: Conichalcite
Spheroidal aggregates of Conichalcite crystals with well defined faces and edges, bright and of a uniform and intense green color.
We will send the piece in its original Perky box from the Robert J. Noble collection, which also contains the label.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico
Specimen size: 3.2 × 2.4 × 1.4 cm = 1.26” × 0.94” × 0.55”
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EV67V1: Conichalcite
Spheroidal aggregates of Conichalcite with very intense green color, on a limonite matrix with scalenohedral crystals of Calcite. Of better quality than usual for this locality.
Mapimí, Municipio Mapimí, Durango  Mexico (1970-1980)
Specimen size: 10.5 × 5.3 × 4.8 cm = 4.13” × 2.09” × 1.89”
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TC295NRX: Conichalcite on Baryte
Druse of white Baryte crystals with a lenticular habit, with Gypsum and coatings of intense green microcrystals of Conichalcite (analyzed)
Santa Isabel cut, De Enmedio Range, Almendricos, Lorca, Comarca Alto Guadalentín, Region of Murcia (Murcia)  Spain (12/2020)
Specimen size: 7.1 × 5.4 × 5 cm = 2.80” × 2.13” × 1.97”
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TC260NVA: Conichalcite with Baryte and Gypsum
Druse of white Baryte crystals with a lenticular habit, with Gypsum and coatings of intense green microcrystals of Conichalcite (analyzed)
Santa Isabel cut, De Enmedio Range, Almendricos, Lorca, Comarca Alto Guadalentín, Region of Murcia (Murcia)  Spain (12/2020)
Specimen size: 7.8 × 5.7 × 5.6 cm = 3.07” × 2.24” × 2.20”
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TC290BRB: Conichalcite with Baryte and Gypsum
Druse of white Baryte crystals with a lenticular habit, with Gypsum and coatings of intense green microcrystals of Conichalcite (analyzed)
Santa Isabel cut, De Enmedio Range, Almendricos, Lorca, Comarca Alto Guadalentín, Region of Murcia (Murcia)  Spain (12/2020)
Specimen size: 8.4 × 6.8 × 5 cm = 3.31” × 2.68” × 1.97”
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TP11AD2: Conichalcite with Calcite
Spheroidal aggregates and small crystals of intensely deep green Conichalcite on a Calcite matrix. We’ll send a copy of the analysis to the buyer.
Aghbar Mine (Arhbar Mine), Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (10/2015)
Specimen size: 4.9 × 4.5 × 3.2 cm = 1.93” × 1.77” × 1.26”
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CC96AM5: Conichalcite with Calcite
Botryoidal growth with small, translucent and lustrous Conichalcite crystals with a very intense green color, on a limonite matrix and with Calcite crystals. The specimen comes from the Carles Curto collection (number 1983.17), whose label and computer file we will send to the buyer.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico (±1983)
Specimen size: 3.6 × 4.4 × 3.4 cm = 1.42” × 1.73” × 1.34”
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19CDX59: Copper
Dendritic aggregate formed by deformed Copper crystals and small remnants of Quartz crystals. From the Ojibway mine in Keweenaw County, which was active between 1907 and 1913. The specimen comes from the former collection (duplicates) of Carles Curto (number 1985.67), whose label we will send to the buyer.
Ojibway Mine, Ojibway, Keweenaw County, Michigan  USA
Specimen size: 2.6 × 2.2 × 0.7 cm = 1.02” × 0.87” × 0.28”

Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”
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NC59AC4: Copper
Arborescent aggregateof small but quite well-defined crystals, from a locality well known for its secondary copper species but where native Copper has been scarcely cited.
Tazalarht mining area, Taroudant Province, Souss-Massa Region  Morocco (09/2011)
Specimen size: 6.6 × 6.2 × 3.6 cm = 2.60” × 2.44” × 1.42”
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CL11AL3: Copper
A very aerial tree-like floater aggregate composed of slightly elongated rhombododecahedral crystals of Copper with pronounced curved edges.
The specimen comes from the Carles Curto collection (no. 1976.46), whose label and information sheet we will send to the buyer.
Eagle Harbor, Keweenaw County, Michigan  USA (±1976)
Specimen size: 2.6 × 1.7 × 0.8 cm = 1.02” × 0.67” × 0.31”

Main crystal size: 1.6 × 1 cm = 0.63” × 0.39”
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MJ13AM6: Copper
Dendritic growth, very aerial, of flattened Copper crystals. The specimen is from a classic Australian locality and will be shipped to the buyer in its original perky box from the Robert J. Noble collection, which also contains the label.
Kapunda Mine, Kapunda, North Mount Lofty Ranges, South Australia  Australia
Specimen size: 2.9 × 2 × 0.4 cm = 1.14” × 0.79” × 0.16”
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EF13AK4: Copper
Very aerial dendritic growths, on matrix, of deformed native Copper crystals partially covered by small white Quartz crystals.
The specimen is from the Christian Mondeilh collection, whose label we will send to the buyer.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (2014)
Specimen size: 6.6 × 5.5 × 3.6 cm = 2.60” × 2.17” × 1.42”
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EK12AH7: Copper
Arborescent growths of slightly deformed cubo-octahedral crystals with very well defined faces and edges and on matrix. The sample is from a locality that is not well known by collectors.
Cobriza Mine, Churcampa, San Pedro de Coris District, Churcampa Province, Huancavelica Department  Peru (01-03/2014)
Specimen size: 3.9 × 3.3 × 2.2 cm = 1.54” × 1.30” × 0.87”
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MA12AM7: Copper
Dendritic growth of sharp, lustrous Copper crystals with the typical reddish tone of pieces from this classic American deposit.
We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo District, Pima County, Arizona  USA
Specimen size: 3.1 × 1.6 × 1 cm = 1.22” × 0.63” × 0.39”
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TC80DA: Copper
Very aerial dendritic growth of Copper with distinct crystal forms, lamellar habits and matrix remnants.
Keweenaw County, Michigan  USA
Specimen size: 10.7 × 3.7 × 1.9 cm = 4.21” × 1.46” × 0.75”
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CP11AI3: Copper
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”
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TJ13AH7: Copper
Very aerial dendritic growth with dodecahedral crystals that have very well defined faces and edges, with slight curvatures.
Onganja (Emke) Mine, Helen Farm 235, Onganja mining area, Seeis, Windhoek District, Khomas Region  Namibia
Specimen size: 3.7 × 1.9 × 1.1 cm = 1.46” × 0.75” × 0.43”
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XM285NRM: Copper
Arborescent growths of Copper crystals with well defined faces and edges, some of them perfectly terminated, showing the faces of the octahedron, lustrous, of a very uniform color showing a beautiful contrast with the dark metallic matrix which hosts them. The specimen, of great quality for the deposit, comes from the ex- Manuel Mesa collection, whose label we will send to the buyer.
Boinás Este, Boinás, Belmonte de Miranda, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (10/2001)
Specimen size: 6 × 3.1 × 3.1 cm = 2.36” × 1.22” × 1.22”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”
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TR14AN0: Copper
Druse on matrix of very sharp and very lustrous octahedral Copper crystals. The specimen, which came from a locality that has now disappeared, comes from the José Luís Vallecillo collection.
Boinás Este, Boinás, Belmonte de Miranda, Comarca Oviedo, Principality of Asturias (Asturias)  Spain
Specimen size: 6.1 × 5.2 × 2.7 cm = 2.40” × 2.05” × 1.06”

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