| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Pyrite with Chalcocite coating |
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| DESCRIPTION: | No. 68463 |
| Mineral: | Pyrite with Chalcocite coating |
| Locality: | Milpillas Mine, Cuitaca, Sonora, Mexico |
| Description: | Unusually large yellow-metallic pyrite crystal on white clay rich matrix. The pyrite crystal fractured after it crystallized and was frozen in the matrix, then all surfaces were coated with gray chalcocite - even the fracture surfaces. Collected in 2015. Analysis of coating performed from Ben Grguric at South Australian Museum |
| Overall Size: | 5.5x5.5x2.5 cm |
| Crystals: | 34 mm |
| Archived: | For reference only |
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