As efflorescences on the walls, boulders, bat quano, and earthy floor of the cave and as saline crusts coating boulders in a dolomite hill in the Kalahari Basin.
IMA Status:
Approved IMA 1999 (Dana # Added)
Locality:
Gewihaba Cave (also known as Drotsky's Cave), northwestern Botswana, 280 km west of Maun. Link to MinDat.org Location Data.