Gypsum, popular sulfate mineral of terrific commercial importance, made up of hydrated calcium sulfate (CaSO4·2H2O). In nicely-formulated crystals the mineral typically has become identified as selenite. The fibrous enormous range provides a silky lustre and is called satin spar; it truly is translucent and opalescent and is valued for ornaments https://www.propanraya.com/id/produk/eco-gypsum-ee-4050