Gypsum, typical sulfate mineral of terrific professional relevance, made up of hydrated calcium sulfate (CaSO4·2H2O). In properly-created crystals the mineral usually has actually been identified as selenite. The fibrous large wide range has a silky lustre and is named satin spar; it can be translucent and opalescent and it is https://www.propanraya.com/id/produk/eco-gypsum-ee-4050