Butler lode, Caledonia Mine, Ontonagon Co., Michigan, USA

4.7 x 2 x 2.5 cm
1.9 x 0.8 x 1 in

$50      Click here to order this mineral.                                                                                                                                                              

A colorful polished piece of Butler lode Copper ore. Minerals present are red Microcline, green Epidote, native Copper and clear to pink/grey colored Datolite in a modified basalt. The polished surface has a curved surface with a high polish. There are a couple of hairline cracks.