- Cabinet, 12.4 x 2.3 x 2.3 cm
- 5100 Bench East Pit Townsite Island, Chino Mine Bayard Grant Co., NM
- Ex. Chris Cowan
Sinuous and doubly terminated, this elongated crystal of copper is also twinned by the spinel law. The viewer can discern a central spine which is the twinning plane of the copper. The color of the specimen varies from chocolate brown to reddish brown and the crystal exhibits a matte luster.