Rare. Mainly first oxidation zone.
- Country Rock
- 1st Oxidation Zone
Paragenetic and General Notes
As a component of the evaporite paragenesis in the T7 unit of the dolostone stratigraphy, with anydrite.
Occasionally as well-formed crystals in cavities in oxidised ore.
The following minerals are reported to form pseudomorphs after gypsum: brochantite (rare).