Gypsum also takes place in crystal kind, with the two most commonly encountered kinds becoming huge apparent crystals that are frequently termed selenite, and fibrous crystals, often known as satin spar. ‘Selenite’ will be the Greek term for moon, and refers back to the crystals properly-made pearl-like luster which will https://www.propanraya.com/id/produk/eco-gypsum-ee-4050