GEOLOGY

Detailed explanation-1: -Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO. 2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard or sidewalk chalk, and drywall.

Detailed explanation-2: -Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate.

Detailed explanation-3: -Gypsum is a mineral-specifically, hydrated calcium sulfate-used in making many types of cement and plaster, especially plaster of Paris.

Detailed explanation-4: -Gypsum is calcium sulfate (CaSO4). Refined gypsum in the anhydrite form (no water) is 29.4 percent calcium (Ca) and 23.5 percent sulfur (S).