| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Pyrite with Chalcocite coating |
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| DESCRIPTION: | No. 75672 |
| Mineral: | Pyrite with Chalcocite coating |
| Locality: | Milpillas Mine, Cuitaca, Sonora, Mexico |
| Description: | 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 faces, except one, 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: | 6.5x5x3 cm |
| Crystals: | 22 mm |
| Archived: | For reference only |
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