Gypsum also takes place in crystal kind, Along with the two most commonly encountered varieties currently being massive clear crystals that are frequently termed selenite, and fibrous crystals, often known as satin spar. ‘Selenite’ is definitely the Greek term for moon, and refers back to the crystals effectively-designed pearl-like luster https://www.propanraya.com/id/produk/eco-gypsum-ee-4050