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Native Copper from Phoenix Mine, Keweenaw County, Michigan

 
Native Copper from Phoenix Mine, Keweenaw County, Michigan

Native Copper from Phoenix Mine, Keweenaw County, Michigan

Native Copper from Phoenix Mine, Keweenaw County, Michigan

Native Copper from Phoenix Mine, Keweenaw County, Michigan

Native Copper from Phoenix Mine, Keweenaw County, Michigan

Native Copper from Phoenix Mine, Keweenaw County, Michigan

DESCRIPTION:No. 73313
Mineral:Native Copper
Locality:Phoenix Mine, Keweenaw County, Michigan
Description:Large, well-defined native copper crystals with dark natural patina. The copper crystals are in branching formations that grew off central spine crystals. The copper is fully crystallized on all faces with no matrix attached. Ex. Albert H. Chester (1843-1903), professor at Hamilton College, later at Rutgers College; ex. Rutgers College Geology Museum; collected ca. 1891-1903
Overall Size:3.5x3x2.5 cm
Crystals:40-20 mm
Status: For reference only
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