Gypsum Also happens in crystal sort, with the two most common versions staying substantial apparent crystals that are often termed selenite, and fibrous crystals, referred to as satin spar. ‘Selenite’ will be the Greek phrase for moon, and refers to the crystals very well-developed pearl-like luster which can replicate a https://www.propanraya.com/id/produk/eco-gypsum-ee-4050