Synonyms : Alabaster, Anhydrous Sulfate of Lime, Artificial Dental Stone, Calcium Sulfate (1:1), Dihydrate, Calcium Sulfate (1:1), Hemihydrate, Calcium Sulfate (2:1), Calcium Sulfate, Anhydrous, Calcium Sulfate, Dihydrate, Calcium Sulfate, Hemihydrate, Calcium Sulphate