Anhydrite


Composition: CaSO4
Crystal System : Orthorhombic
Colours: White
Lustre : Vitreous, greasy, pearly
Hardness (H) : 3.0-3.5
Specific Gravity (S.G) : 2.98

Distribution

Rare. In evaporite associations (with gypsum and sulphur) in the T7 dolomite stratigraphy, between surface and 23 Level.

Also found on 35 Level In the second oxidation zone.

Occurrence

  • Supergene
  • Country Rock
  • 2nd Oxidation Zone

Notable Finds

On 35 Level, with chalcanthite, leightonite and lammerite.