Copper on Prehnite
at-auction$ 200
- Locality
- Shaft #10, Osceola Mine, Calumet, Houghton Co., Michigan, USA
- Minerals
- Copper, Prehnite
- Dimensions
- 6 x 4.5 x 3 cm
- Size class
- Small Cabinet
- SID
- CT596
Copper crystals in an open vug lined with green Prehnite and Quartz crystals. Ex. Chuck Trantham collection. Old Robert Ray collection label included. Valued at $300.