Copper, Quartz White Pine Mine, White Pine, Ontanagon ...
Description: Copper, Quartz White Pine Mine, White Pine, Ontanagon County, Michigan, USA 4.6 x 2.8 cm On one end of this specimen the copper crystals are cubic in habit and form a stacked chain. The other end is composed of spongy copper wires. ex A.E. Seaman Mineral Museum