AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Silver and Copper (half-breed) |
DESCRIPTION: | No. 54158 |
Mineral: | Silver and Copper (half-breed) |
Locality: | Seneca Mine, Keweenaw Peninsula Copper District, Michigan |
Description: | White-metallic native silver embedded in brown-metallic native copper (called half-breeds by local collectors). Green prehnite microcrystals are embedded in the outer surfaces of the copper, though some areas show distinct copper crystal faces. |
Overall Size: | 5x2.5x2.5 cm |
Crystals: | |
Archived: | For reference only |
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