| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper |
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| DESCRIPTION: | No. 30793 |
| Mineral: | Copper |
| Locality: | Keweenaw Peninsula Copper District, Michigan |
| Description: | Large specimen of heavy native copper with intergrown milky quartz and yellow-green epidote microcrystals. The surface of the copper has weathered forming a secondary layer of red cuprite and green malachite. |
| Overall Size: | 17x10x4 cm |
| Crystals: | |
| Archived: | For reference only |
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