3183 Orientite, Manganese Mine, Michigan, USA
3183 Orientite, Manganese Mine, Copper Harbor, Keweenaw Co., Michigan, USA. FOV 30mm.
Michigan
2634 Copper in/on Calcite with Epidote, Quincy Mine, Michigan, USA
Copper in/on Calcite with Epidote | Quincy Mine, Hancock, Houghton Co., Michigan, USA | 45x40x30mm | No. 2634