Silver and Copper (Halfbreed)
Silver and Copper (Halfbreed) from Calumet Iron Mine, Keweenaw Peninsula Copper District, Michigan
Photograph © www.johnbetts-fineminerals.com - All Rights Reserved.
Description Silver mixed with Copper. Specimens of combined silver and copper are referred to by local collectors as Halfbreeds.
Size 23 x 12 x 6 mm.
Locality Calumet Iron Mine, Keweenaw Peninsula Copper District, Michigan
Collection John Betts - Fine Minerals

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