• Copper / Silver - CuAg12

Copper / Silver - CuAg12

Michigan Copper-Silver Specimen 

3” x 1.75" x 1.5” / 12 oz 

This rare metal combination of native Copper-Silver is a chisel chip from the Calumet & Hecla conglomerate: a mining artifact that was chiseled off a larger specimen by a miner sometime during the late 1800s / early 1900s. Locality: Caledonia & Hecla Mine, Calumet, MI.