AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Silver and Copper |
DESCRIPTION: | No. 39786 |
Mineral: | Silver and Copper |
Locality: | Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan |
Description: | Heavy mass of native silver and native copper intergrown in white milky quartz matrix. One large mass of sheet silver is exposed on the end with a steep pyramidal cavity resembling a pseudomorph. The heavy weight indicates metal content is high. |
Overall Size: | 7x6x4 cm |
Crystals: | |
Archived: | For reference only |
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