Native Copper

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Native copper, 13 cm (largest crystal 5 cm), from the Phoenix mine, Keweenaw County, Michigan. Ex Field Museum of Natural History collection; Jeff Krueger photo.

Product details

SpeciesCopper
SizeMuseum
Dimensions1300.0 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In American Midwest page 75
Current owner

Added by the community · Not a registered member

Previous owners
DateCollectorAcquisition price
—Field Museum of Natural HistoryNot disclosed

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Copper
Mineral guide
Learn about Copper
native copper with spinel-twinned crystals and arborescences; notable from Lake Superior, Itauz, Dongchuan, Corocoro, prized for color and localities.
Copper
Regional guide
Copper from Phoenix Mine
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Locality guide
Phoenix Mine
Phoenix Mine, USA — a premier Michigan locality for sharp native copper and analcime, with copper-included calcite and quartz on basalt, collector favorite.