AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Silver and Copper (var. halfbreed)

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Silver and Copper (var. halfbreed) from Keweenaw Peninsula Copper District, Michigan

 
Silver and Copper (var. halfbreed) from Keweenaw Peninsula Copper District, Michigan

Silver and Copper (var. halfbreed) from Keweenaw Peninsula Copper District, Michigan

DESCRIPTION:No. 31113
Mineral:Silver and Copper (var. halfbreed)
Locality:Keweenaw Peninsula Copper District, Michigan
Description:Crystallized native copper and native silver, a formation commonly referred to as a halfbreed. The front has a natural patina. The rear shows brilliant surfaces of metallic silver. Ex. Dr. Eugene E. Sensel (1911-2000) collection #L283; ex. Vassar College collection in 1939
Overall Size:45x25x10 mm
Crystals:1-3 mm
Status: Sold - Posted here for reference only
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