Copper
at-auction$ 20
- Locality
- Lake Superior, Michigan, USA
- Minerals
- Copper
- Dimensions
- 7.5 x 4.5 x 2.5 cm
- Size class
- Small Cabinet
- SID
- CT278
Areas of solid Copper protruding from both sides of a rock matrix. The old label indicates 'Native Copper in Amygdaloidal Trap, Lake Superior, Michigan' and no precise locality is available. Has an A. E. Foote label affixed to the back.