Copper / Silver - CuAg2.0
Native Copper-Silver Specimen, Keweenaw Peninsula
2" x .5" x 1.5" / 2.0 oz
This very rare native metal combination is only found in the Keweenaw Peninsula of Michigan; associated with native copper deposits. This specimen has been etched (in acid) and sprayed (with lacquer) to prevent oxidation. Acrylic mount included. Locality: Mason Mill, Quincy Mine, Houghton Co., MI.