Bornite crystals on micro quartz and calcite sprinkled with micro chalcopyrite. Good, tarnished bornite crystals
AN_292
1 Item
Data sheet
- Locality
- Dzhezkazgan, Kazakhstan
- Size category
- Miniature
- Size (cm)
- 8 x 4 x 2
- Weight
- 74 g
- Formula
- Cu5FeS4
- Properties
- Submetallic; bluish black, dark grey; tarnished surfaces