Authentic native copper specimen from the historic Kearsarge Mine in Michigan’s Copper Country. This region is world-famous for producing naturally occurring copper in distinctive forms, including masses, sheets, and wire-like structures.
This piece displays natural copper formation with classic warm tones and texture, developed through geological processes rather than smelting or refinement.
Specimen Details:
Mineral: Native Copper
Locality: Kearsarge Mine, Houghton County, Michigan, USA
Size: 80 × 27 × 80 mm
Weight: 6.5 oz
Condition: Natural specimen with typical surface patina
Display: Cabinet / miniature specimen
EX: Billy Williams Collection
Why this piece stands out:
Classic Michigan Copper Country locality
Naturally occurring native metal formation
Warm copper tones with authentic patina
Recognized and widely collected mineral
Collector Note:
Michigan’s Keweenaw Peninsula is one of the few places in the world where native copper occurs in significant quantities. Specimens from historic mines like Kearsarge remain popular due to their geological significance and mining heritage.
One-of-a-kind specimen — once it’s gone, it’s gone.
