Gypsum, prevalent sulfate mineral of great professional relevance, made up of hydrated calcium sulfate (CaSO4·2H2O). In nicely-formulated crystals the mineral usually has actually been called selenite. The fibrous substantial wide variety incorporates a silky lustre and is called satin spar; it is translucent and opalescent and is particularly valued for https://www.propanraya.com/id/produk/eco-gypsum-ee-4050