Gypsum, common sulfate mineral of wonderful professional significance, made up of hydrated calcium sulfate (CaSO4·2H2O). In effectively-designed crystals the mineral normally has actually been named selenite. The fibrous substantial assortment incorporates a silky lustre and is known as satin spar; it is translucent and opalescent and is also valued for https://www.propanraya.com/id/produk/eco-gypsum-ee-4050