Gypsum also happens in crystal sort, Using the two most commonly encountered versions getting massive obvious crystals that will often be termed selenite, and fibrous crystals, called satin spar. ‘Selenite’ may be the Greek term for moon, and refers to the crystals effectively-created pearl-like luster that could reflect a tender https://www.propanraya.com/id/produk/eco-gypsum-ee-4050