AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Pyrite pseudomorph after Pyrrhotite |
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DESCRIPTION: | No. 15441 |
Mineral: | Pyrite pseudomorph after Pyrrhotite |
Locality: | Noche Buena Mine, Mazapil, Zacatecas, Mexico |
Description: | Metallic pyrite pseudomorphs after hexagonal pyrrhotite crystals up to 20 mm. The pyrite replaced the pyrrhotite molecule by molecule, resulting in transformed composition but retaining the original shape. Ex. A. Stevenson collection #555 |
Overall Size: | 25x18x15 mm |
Crystals: | 18-20 mm |
Archived: | For reference only |
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