A cluster of bluish black chalcocite on calcite. This is a small, but nice specimen
AN_295
1 Item
Data sheet
- Locality
- Dzhezkazgan, Kazakhstan
- Size category
- Miniature
- Size (cm)
- 3 x 2.2 x 2
- Weight
- 15 g
- Formula
- Cu2S
- Properties
- Bluish black; easily tarnished; sooty