Copper-Silver Halfbreed, Keweenaw Peninsula, Michigan, USA
A superb, architecturally dazzling specimen of copper with silver (a.k.a. “Half breed”) presenting sublime textures and a relict calcite cast. Acquired from Red Metal Minerals, Ontonagon, MI.
Dimensions: 60 x 50 x 35 mm. Weight: 122 g. (4.3 oz.)
