Gypsum, popular sulfate mineral of fantastic industrial relevance, made up of hydrated calcium sulfate (CaSO4·2H2O). In effectively-designed crystals the mineral generally has been known as selenite. The fibrous significant assortment provides a silky lustre and is known as satin spar; it is translucent and opalescent and it is valued for https://www.propanraya.com/id/produk/eco-gypsum-ee-4050