Naturally occurring sodium chloride, also known as halite
The mineral form halite, or rock salt, is sometimes called common salt ... Natural 
brines of commercial importance are found in the Dead Sea ... Calcium sulfate (
gypsum and anhydrite) and potassium and magnesium salts also... [DOC] [TLE] halite | mineral | Britannica.com [PAR] Naturally occurring sodium chloride (NaCl), common or rock salt.