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

Copper (naturally crystallized native copper) from Keweenaw Peninsula Copper District, Michigan

DESCRIPTION:	No. 72645
Mineral:	Copper (naturally crystallized native copper)
Locality:	Keweenaw Peninsula Copper District, Michigan
Description:	Hackly native copper crystals (naturally occurring copper crystals) in a sculptural formation with remnants of gray quartz matrix. The copper crystallized around brecciated matrix resulting in unusual rectangular impressions from quartz fragments.
Overall Size:	22x14x14 mm
Crystals:	1 mm
Archived:	For reference only

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