Sharp Copper Crystals
Sharp Copper Crystals from National Mine, Rockland, Keweenaw Peninsula Copper District, Ontonagon County, Michigan
Description Large, well defined crystals of Copper. Ex. Chas. W. Velte Jr. (1914-1987) collection #388.
Size 5.0 x 3.0 x 1.5 cm.
Locality National Mine, Rockland, Keweenaw Peninsula Copper District, Ontonagon County, Michigan
Collection John Betts - Fine Minerals

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