Gypsum Also takes place in crystal form, Using the two most common varieties being massive clear crystals that are sometimes termed selenite, and fibrous crystals, referred to as satin spar. ‘Selenite’ is the Greek phrase for moon, and refers back to the crystals effectively-formulated pearl-like luster that can replicate a https://www.propanraya.com/id/produk/eco-gypsum-ee-4050