Carnallite

Name:
Carnallite
Detailed information:

M Formula:	KCl•MgCl2•6H2O or KMgCl3•6H2O
Properties:
A natural hydrated double chloride of potassium and magnesium, white, brownish, and reddish; streak white; shining, greasy luster; strongly phosphorescent; bitter taste. Deliquescent, d 1.62, Mohs hardness 1.
Occurrence:
West Germany, Alsace, New Mexico.
Use:
A commercial source of manufactured potash salts.