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Copper

Unknown Owner
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A superb well crystallized grouping of native copper with little attached matrix. The crystals are quite well-defined in some measure to 1.3 cm in size. Aesthetic and in great condition. This has an excellent patina as well.

Product details

SpeciesCopper
SizeMiniature
Dimensions4.7 x 2.0 x 1.3 cm
Added on11/15/2025
LocalityUSA, Michigan, Keweenaw Peninsula

Known provenance

DateCollectorAcquisition price
05/2026Unknown Owner$480.00
—Weinrich MineralsNot disclosed

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…