AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Mexico > Psilomelane (Pyrolusite, Romanèchite, Cryptomelane) |
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DESCRIPTION: | No. 77463 |
Mineral: | Psilomelane (Pyrolusite, Romanèchite, Cryptomelane) |
Locality: | Lake Valley District, Sierra County, New Mexico |
Description: | Cluster of crystallized black psilomelane, a mineral group name for manganese-oxide minerals including pyrolusite, romanèchite, and cryptomelane, in hemispherical layered-growth aggregates and fine hair-like crystals to 1 mm. Collected in 1997 |
Overall Size: | 4.5x3x2.5 cm |
Crystals: | micro to 1 mm |
Archived: | For reference only |
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