A magnificent elongated crystal of copper (that appears to be a modified octahedron) with a marvelous reddish to black (tenorite?) patina and minor white quartz attached. Comes with its own base. 360 display specimen.
Location: Phoenix Mine, Keweenaw County, Michigan
Dimensions: 10.5 x 3.5 x 3cm
Size: Cabinet & Larger
Locality: North America