AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Pyrite with Chalcocite coating

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Pyrite with Chalcocite coating from Milpillas Mine, Cuitaca, Sonora, Mexico

 
Pyrite with Chalcocite coating from Milpillas Mine, Cuitaca, Sonora, Mexico

Pyrite with Chalcocite coating from Milpillas Mine, Cuitaca, Sonora, Mexico

Pyrite with Chalcocite coating from Milpillas Mine, Cuitaca, Sonora, Mexico

Pyrite with Chalcocite coating from Milpillas Mine, Cuitaca, Sonora, Mexico

Pyrite with Chalcocite coating from Milpillas Mine, Cuitaca, Sonora, Mexico

DESCRIPTION:No. 68464
Mineral:Pyrite with Chalcocite coating
Locality:Milpillas Mine, Cuitaca, Sonora, Mexico
Description:Two lustrous gray-metallic pyrite crystals in contrasting white clay-rich matrix. The gray color is caused by a thin coating of chalcocite. The pyrite crystals are cubo-octahedral form, one exhibiting a post-crystallization fracture. Collected in 2015. Analysis of coating performed from Ben Grguric at South Australian Museum
Overall Size:5x3x3.5 cm
Crystals:18 mm
Archived: For reference only

 

 

 

 

 

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