AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper (naturally crystallized native copper)

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Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

 
Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

Copper (naturally crystallized native copper) from Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan

DESCRIPTION:No. 76947
Mineral:Copper (naturally crystallized native copper)
Locality:Osceola Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan
Description:Lustrous metallic native copper crystals (naturally occurring copper) with minor matrix trapped by the copper. The copper crystals are elongated form, twinned following the Spinel Law of isometric twinning, and have microscopic surface patterns. Collected ca. 1970
Overall Size:32x21x10 nn
Crystals:1-8 mm
Status: Sold - Posted here for reference only
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