Copper from USA, Michigan, Keweenaw Copper Mining District - image 1
Copper from USA, Michigan, Keweenaw Copper Mining District - image 2
Copper from USA, Michigan, Keweenaw Copper Mining District - image 3
Copper from USA, Michigan, Keweenaw Copper Mining District - image 4
specimen video

Copper from USA, Michigan, Keweenaw Copper Mining District

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Alessandro Tonelli
Alessandro Tonelli
Italy
0 for sale·Member since 2026

Product details

Species
CopperAbout Copper →
SizeCabinet
Dimensions11.0 x 7.0 x 6.0 cm
Added on04/10/2026
Locality
USA, Michigan, Keweenaw Copper Mining District

Known provenance

DateCollectorAcquisition price
2026Alessandro TonelliNot disclosed
Bought at the Geological Museum of Warsaw

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.
Regional guide
Copper from Keweenaw Copper Mining District
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