Betekhtinite


Composition: (Cu,Fe)21Pb2S15
Crystal System : Orthorhombic
Colours: Lead-grey
Lustre : Metallic
Hardness (H) : 3.0-3.5
Specific Gravity (S.G) : 5.96-6.05

Distribution

Rare. "...between 24 and 32 Levels" (Pinch and Wilson, 1977).

Occurrence

  • Hypogene

Notable Finds

As microscopic lead-grey needles in chalcopyrite, bornite and galena, between 24 and 32 Levels.

Paragenetic and General Notes

Betekhtinite has been reported to form pseudomorphs after chalcocite (rare; Weber, 1977).