Gypsum (disambiguation)Topics referred to by the same term / From Wikipedia, the free encyclopedia Gypsum is a soft mineral composed of calcium sulfate dihydrate. Look up gypsum in Wiktionary, the free dictionary. Gypsum may also refer to:
Gypsum is a soft mineral composed of calcium sulfate dihydrate. Look up gypsum in Wiktionary, the free dictionary. Gypsum may also refer to: