Copper from USA, Michigan, Houghton County, Champion Mine - image 1
Photo by Tom Spann

Copper from USA, Michigan, Houghton County, Champion Mine

1

Dendritic copper from the Champion Mine.

Product details

SpeciesCopper
SizeCabinet
Dimensions12.1 x 6.9 cm
Added on02/03/2026
LocalityUSA, Michigan, Houghton County
RepairsNone
Current owner
Frank A. Imbriacco III
Frank A. Imbriacco III
New Jersey
Acquired
Jan 2023

Owner’s note

Obtained from Donald Olson.

Member since 2025
Previous owners
DateCollectorAcquisition price
—Donald OlsonNot 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 Houghton County
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Locality guide
Houghton County
Houghton County, USA — a premier copper ore and mineral-specimen locality on Michigan’s Keweenaw, noted for native copper forms, silver, and calcite.