A white, grey, reddish or colourless secondary mineral ore of potassium and magnesium - a natural hydrated double salt of potassium and magnesium; also considered as a hydrated compound of chlorides and sulphates of magnesium and potassium. Belongs to the class of "Sulphates". It is a secondary mineral due to its formation through metamorphosis in marine deposits of potassium carbonate. It can also be formed via re-sublimation from volcanic vapours.Uses: source of potassium salts and fertiliser.
Trade Names (Synonyms)
Kainit - Caenite - Cenite - Kainiet-Cainite-Caenita


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