Copper - image 1
Photo by Tom Spann

Copper

RW
Robert Wiener
0 for sale
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Copper, 28 cm, from the Keweenaw Peninsula, Michigan. Photo by Tom Spann.

Product details

SpeciesCopper
SizeLarge Cabinet
Dimensions28.0 cm
Added on02/13/2026
LocalityUSA, Michigan, Keweenaw Peninsula
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 411

Learn more

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 Keweenaw Peninsula, Michigan, USA
Keweenaw Peninsula copper - classic native copper from Michigan, famed for wiry arborescent sprays, sharp crystal faces, and historic mines prized by collector…