Gwihabaite is a rare ammonium potassium nitrate mineral (NH4,K)(NO3).
It was first described in 1996 for an occurrence in Gcwihaba Caves (Drotsky's Cavern, type locality), Maun, North-West District, Botswana.
The spelling of the name was simplified, omitting the "c", which represents the "click" sound used by the San people.
It occurs as incrustations and efflorescences on cave surfaces formed by bacterial action on bat guano.
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