Copper (smelter product) - image 1
Copper (smelter product) - image 2
specimen video

Copper (smelter product)

Unknown Owner
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A crystalline native copper specimen, this I am 99.9% certain is a smelter product. Interesting nonetheless, the previous label that comes with the specimen was describing this as a copper skull.

Product details

SpeciesCopper
SizeSmall Cabinet
Dimensions9.0 x 7.0 x 4.5 cm
Added on10/29/2025
LocalityUSA, Michigan, Keweenaw Peninsula

Known provenance

DateCollectorAcquisition price
05/2026Unknown Owner$50.00
—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…