Copper (Ref: CUIO-21)
Northwestern Mine, Keweenaw County, Michigan, USA
30mm x 20mm x 10mm
minID: XJU-EFX
This is a Copper from Northwestern Mine, Keweenaw County, Michigan, USA. Stacked crystals of copper, to 1 cm across, comprise this specimen.From: The Arkenstone
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See Also
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Copper after Azurite
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