AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Bolivia > Bournonite over Pyrite |
DESCRIPTION: | No. 58154 |
Mineral: | Bournonite over Pyrite |
Locality: | Mina Machacamarca, Potosí, Bolivia |
Description: | Lustrous gray-metallic bournonite crystals to 11 m, on yellow-metallic pyrite. The bournonite crystals are repeatedly twinned resulting in a classic cogwheel-shaped formations to 10 mm across. |
Overall Size: | 4.5x3.5x2.5 cm |
Crystals: | 1-11 mm |
Archived: | For reference only |
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