Chalcocite with Pyrite

Specimen ID: D61-NA5

Title
Chalcocite with Pyrite
Locality
As recorded:
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia  Spain
Dimensions
49mm x 35mm x 7mm
Certificates
Description
Very sharp Chalcocite crystals that form hexagonal cyclic twins with well defined faces and edges, flattened, shiny, on matrix, with very vivid metallic blue iridescent Pyrite coatings. 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: 4.9 × 3.5 × 0.7 cm = 1.93” × 1.38” × 0.28” Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”
Previous data
Mineral(s)
Chalcocite, PyriteNone listed
Name withheld

Events

Photo added to mindat.org

Very sharp Chalcocite crystals that form hexagonal cyclic twins with well defined faces and edges, flattened, shiny, on matrix, with very vivid metallic blue iridescent Pyrite coatings. The specimen has been analyzed. Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia, Spain Specimen size: 4.9 × 3.5 × 0.7 cm = 1.93” × 1.38” × 0.28” Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04” Reference: NJ13AL4
Jordi Fabre - 14th December 2021

Photo added to mindat.org

Very sharp Chalcocite crystals that form hexagonal cyclic twins with well defined faces and edges, flattened, shiny, on matrix, with very vivid metallic blue iridescent Pyrite coatings. The specimen has been analyzed. Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia, Spain Specimen size: 4.9 × 3.5 × 0.7 cm = 1.93” × 1.38” × 0.28” Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04” Reference: NJ13AL4
Jordi Fabre - 16th February 2023
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