Definitions for "Kainite"
A compound salt consisting chiefly of potassium chloride and magnesium sulphate, occurring at the Stassfurt salt mines in Prussian Saxony.
a white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer
Kainite (MgSO4·KCl·3H2O) is a mineral salt that consists of potassium chloride and magnesium sulfate and is used as a fertilizer. This mineral is dull and soft, is colored white through yellow to red and is found in the Stassfurt salt mines in Saxony, Germany. It is a natural salt occurring in irregular granular masses, and is used as a source of potassium and magnesium compounds.