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Copper (crystallized) from Mass Mine, Keweenaw Peninsula Copper District, Michigan

 
Copper (crystallized) from Mass Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Mass Mine, Keweenaw Peninsula Copper District, Michigan

Copper (crystallized) from Mass Mine, Keweenaw Peninsula Copper District, Michigan

DESCRIPTION:No. 34783
Mineral:Copper (crystallized)
Locality:Mass Mine, Keweenaw Peninsula Copper District, Michigan
Description:Metallic native copper crystals in an elongated grouping of interconnected crystals that has been curved over (by glaciation?) until the top contacts the bottom. Has dark patina, no damage. Ex. John A. Manley (1861-1936) ca. 1890s
Overall Size:4x3.5x2 cm
Crystals:3-15 mm
Status: For reference only
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