| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper in Calcite |
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| DESCRIPTION: | No. 51030 |
| Mineral: | Copper in Calcite |
| Locality: | Keweenaw Peninsula Copper District, Michigan |
| Description: | Transparent-to-translucent colorless scalenohedral calcite crystals to 30 mm on greenish epidote-rich basalt. The calcite crystal have metallic native copper included inside and on the surfaces. The internal copper was protected from oxidation. Ex. Peter B. Nalle (1923-2010) collection #102b |
| Overall Size: | 9x6x5 cm |
| Crystals: | 1-30 mm |
| Archived: | For reference only |
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