| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper |
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| DESCRIPTION: | No. 51617 |
| Mineral: | Copper |
| Locality: | Champion Mine, Painesdale, Houghton County, Keweenaw Peninsula Copper District, Michigan |
| Description: | Several large elongated native copper crystals with bright metallic luster and minor greenish-to-colorless calcite in some crevices. The copper crystals are probably Spinel-law twinned and have distinct crystallization patterns on the surfaces. Ex. Larry Krause (1945-2010) collection |
| Overall Size: | 4.5x4x2 cm |
| Crystals: | 1-25 mm |
| Archived: | For reference only |
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