Gypsum, frequent sulfate mineral of good business relevance, composed of hydrated calcium sulfate (CaSO4·2H2O). In perfectly-designed crystals the mineral generally has actually been referred to as selenite. The fibrous enormous selection incorporates a silky lustre and is known as satin spar; it truly is translucent and opalescent and is particularly https://www.propanraya.com/id/produk/eco-gypsum-ee-4050