AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper, Silver and Calcite

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Copper, Silver and Calcite from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

 
Copper, Silver and Calcite from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper, Silver and Calcite from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

DESCRIPTION:No. 16233
Mineral:Copper, Silver and Calcite
Locality:Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan
Description:Hollow formation 3.5 cm long of native copper incalcite, quartz, prehnite matrix with tarnished blebs of native silver up to 1 cm. Most remarkable is this appears it could be a native copper pseudomorph after a scalenohedral calcite crystal.
Overall Size:6x4x3 cm
Crystals:1-10 mm
Status: Sold - Posted here for reference only
Buy similar: Minerals from Midwest, USA > Crystallized Copper

 

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