• Copper / Silver - CuAg5.5

Copper / Silver - CuAg5.5

Michigan Copper-Silver Specimen 

2.25” x 1.75" x 2.25” / 5.5 oz 

This very rare native metal combination contains Copper-Silver in Matrix with Quartz and Epidote, sprayed with a thin coat of lacquer to prevent oxidation. Locality: Caledonia Mine, near Ontonagon, MI.