Chalcocite - Mineral specimens search results

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Mineral specimens search results for [ Chalcocite ]

NE11AL4: Chalcocite with Sb-rich Tennantite-(Fe) and Pyrite

Very sharp Chalcocite crystals that form hexagonal cyclic twins with well defined faces and edges, flattened, lustrous, on matrix, with tetrahedral crystals of antimony-rich Tennantite-(Fe) and coatings of botryoidal pyrite. The specimen has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain
Specimen size: 6.5 × 4.4 × 2.7 cm = 2.56” × 1.73” × 1.06”

NG66AL4: Chalcocite with Sb-rich Tennantite-(Fe) and Pyrite

Very sharp Chalcocite crystals that form hexagonal cyclic twins with well defined faces and edges, flattened, lustrous, on matrix, with antimony-rich Tennantite-(Fe) and coatings of iridescent botryoidal Pyrite dominated by purple tones. The specimen has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain
Specimen size: 4.4 × 4 × 3.3 cm = 1.73” × 1.57” × 1.30”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”

NH47AL5: Chalcocite with Sb-rich Tennantite-(Fe) and Pyrite

Growth on matrix of highly profiled Chalcocite crystals that form flattened twins with a hexagonal outline, with very well defined faces and edges, lustrous, on matrix, with antimony-rich Tennantite- (Fe) and Pyrite coatings. These pieces were analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain
Specimen size: 3.9 × 3.4 × 1.5 cm = 1.54” × 1.34” × 0.59”

7NA25: Chalcocite, Pyrite

Very sharp Chalcocite crystals that form flattened twins with very well defined faces and edges, bright and on matrix, with very vivid metallic blue iridescent Pyrite coatings. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 3.2 × 2.2 × 1.6 cm = 1.26” × 0.87” × 0.63”

Main crystal size: 1.2 × 0.3 cm = 0.47” × 0.12”

7NJ30: Chalcocite, Pyrite

Sharp Chalcocite crystals that form flattened twins with very well defined faces and edges, bright and on matrix, with very vivid metallic blue iridescent Pyrite coatings. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain
Specimen size: 2.2 × 2.2 × 1.1 cm = 0.87” × 0.87” × 0.43”

7NG40: Chalcocite, Pyrite

Very sharp Chalcocite crystals that form flattened twins with very well defined faces and edges, bright and on matrix, with very vivid metallic blue iridescent Pyrite coatings. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 1.7 × 1.5 × 1.0 cm = 0.67” × 0.59” × 0.39”

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

7ND40: Chalcocite, Pyrite

Very sharp Chalcocite crystals that form flattened twins with very well defined faces and edges, bright and on matrix, with very vivid metallic blue iridescent Pyrite coatings. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain
Specimen size: 2.5 × 2.2 × 1.1 cm = 0.98” × 0.87” × 0.43”

7NR45: Chalcocite, Pyrite

Very sharp Chalcocite crystals that form flattened twins with very well defined faces and edges, bright and on matrix, with very vivid metallic blue iridescent Pyrite coatings. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain
Specimen size: 3.7 × 2.7 × 2.5 cm = 1.46” × 1.06” × 0.98”

7NT60: Chalcocite, Pyrite

11TT12: Chalcocite, Quartz

Flattened crystals, very sharp, partially doubly terminated and twinned, on matrix, with a strong metallic luster and bluish reflections, associated with small whitish Quartz crystals. Coming from the Bristol Copper Mine, in Connecticut, USA, these chalcocites are classics, and this particular piece is a real oldie, from the begin of the XX century
Bristol Copper Mine, Bristol, Hartford County, Connecticut USA (±1930)
Specimen size: 5.5 × 4.7 × 3.4 cm = 2.17” × 1.85” × 1.34”

Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”

16NNR60: Chalcocite, Sb-bearing Tennantite-(Fe), Pyrite

Growth on matrix of very sharp crystals of Chalcocite that form flattened twins of hexagonal outline, with very well defined faces and edges, lustrous, on matrix, with antimony-rich Tennantite-(Fe) and Pyrite coatings. These specimens have been analyzed and we will send a copy of the analysis to the buyer. From an open pit mine that has already ceased operations.
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (09-11/2019)
Specimen size: 6.2 × 6.0 × 4.8 cm = 2.44” × 2.36” × 1.89”

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