A massive cluster of steel-grey tennantite crystals, with a worn appearance, and a small group of colourless quartz crystals
AN_249
1 Item
Data sheet
- Locality
- Dzhezkazgan, Kazakhstan
- Size category
- Miniature
- Size (cm)
- 4x2.8x1.8
- Weight
- 41 g
- Formula
- Cu6[Cu4(Fe,Zn)2]As4S13
- Properties
- Metallic; steel-grey