Pyrite with Chalcocite coating from Milpillas Mine, Cuitaca, Sonora, Mexico
| DESCRIPTION: | No. 75645
|
| Mineral: | Pyrite with Chalcocite coating
|
| Locality: | Milpillas Mine, Cuitaca, Sonora, Mexico |
| Description: | Uncommonly large pyrite crystals (to 30 mm) on white clay-rich matrix. This appears to be four pyrite crystals that grew off of a central pyrite crystal. Most faces have chalcocite coating. The crystals are cubic with octahedral faces. Collected in 2015. Analysis of coating performed from Ben Grguric at South Australian Museum |
| Overall Size: | 5x4x3 cm |
| Crystals: | 15-30 mm |
| Archived: | For reference only |
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