A few small chalcocite crystals with a sooty appearance on quartz crystals. The latter with a brownish coating of an unidentified, needle-shaped mineral
AN_299
1 Item
Data sheet
Locality
Dzhezkazgan, Kazakhstan
Size category
Miniature
Size (cm)
4.5 x 4.5 x 1.7
Weight
46 g
Formula
Cu2S
Properties
Black; easily tarnished; sooty
A few small, sooty chalcocite crystals on quartz crystals. The latter with a brownish coating of an unidentified mineralDzhezkazgan, Kazakhstan