Chalcocite with Sb-rich Tennantite-(Fe) and Pyrite
As recorded:
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain
44mm x 40mm x 33mm
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”
Mineral(s)
Photo added to mindat.org
“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.
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”
Reference: NG66AL4”
Jordi Fabre - 4th October 2021
Photo added to mindat.org
“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.
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”
Reference: NG66AL4”
Jordi Fabre - 16th February 2023
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