AKS22 Copper

Caledonia Mine, Ontonagon Co., Keeweenaw Peninsula, Michigan, United States

4.0x 2.2x 2.0 cm             

$265

An isolated dodecahedral copper crystal on a calcite matrix, with a nice patina.  Usually when good crystals are found,  they occur off matrix, or on matrixes of copper.

This piece is one of only a handful that I have seen with such isolated crystals on a non-copper matrix.