Question

what is Gypsum? give its uses

Answer 1

Gypsum is an evaporite mineral most commonly found in layered sedimentary deposits in association with halite, anhydrite, sulfur, calcite, 

Gypsum uses include: manufacture of wallboard, cement, plaster of Paris, soil conditioning, a hardening retarder in portland cement. Varieties of gypsum known as "satin spar" and "alabaster" are used for a variety of ornamental purposes; however, their low hardness limits their durability.

Answer 2

gypsum uses include manufacture of wallboard ,cement, plaster of Paris.
varieties of gypsum are known as "satin spar"