Gypsum, common sulfate mineral of terrific professional great importance, made up of hydrated calcium sulfate (CaSO4·2H2O). In effectively-designed crystals the mineral normally continues to be termed selenite. The fibrous enormous variety provides a silky lustre and is named satin spar; it is actually translucent and opalescent and is valued for https://www.propanraya.com/id/produk/eco-gypsum-ee-4050