Gypsum, typical sulfate mineral of fantastic business value, made up of hydrated calcium sulfate (CaSO4·2H2O). In well-formulated crystals the mineral normally has become known as selenite. The fibrous enormous assortment features a silky lustre and is called satin spar; it truly is translucent and opalescent and it is valued for https://www.propanraya.com/id/produk/eco-gypsum-ee-4050