• Copper / Silver - CuAg1.25

Copper / Silver - CuAg1.25

Native Copper-Silver Specimen, Keweenaw Peninsula 

2.25” x .5" x 2” / 1.25 oz 

This very rare native metal combination was found in the Keweenaw Peninsula of Michigan; associated with native copper deposits. Locality: Phoenix Mine, Keweenaw County, MI.