| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper and Calcite |
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| DESCRIPTION: | No. 58164 |
| Mineral: | Copper and Calcite |
| Locality: | Keweenaw Peninsula Copper District, Houghton County, Michigan |
| Description: | Metallic native copper with transparent colorless scalenohedral calcite crystals to 8 mm. The copper has a dark patina where it is on the surface, but shows bright metallic luster where it is included within the calcite that prevented tarnishing. Ex. Joe Cilen (1916-1997) #10117 |
| Overall Size: | 5x3.5x2.5 cm |
| Crystals: | 2-8 mm |
| Archived: | For reference only |
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