Michigan Copper Country Minerals
Showing all 4 results
Native Silver: Kearsarge mine, Kearsarge, Houghton County, Michigan, USA
Native Copper, Adularia, Epidote: Attr. to Ontonagon County, Michigan, USA
Native Copper: Quincy mine, Hancock, Houghton County, Michigan, USA
Native Copper: Northwestern mine, Keweenaw County, Michigan, USA
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