Gypsum, common sulfate mineral of wonderful professional great importance, composed of hydrated calcium sulfate (CaSO4·2H2O). In well-designed crystals the mineral frequently has become called selenite. The fibrous massive variety incorporates a silky lustre and is referred to as satin spar; it truly is translucent and opalescent and is also valued https://www.propanraya.com/id/produk/eco-gypsum-ee-4050
Gypsum - An Overview
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