Gypsum also occurs in crystal type, While using the two most typical varieties staying massive distinct crystals that are frequently termed selenite, and fibrous crystals, referred to as satin spar. ‘Selenite’ is definitely the Greek term for moon, and refers to the crystals effectively-produced pearl-like luster that will replicate a https://www.propanraya.com/id/produk/eco-gypsum-ee-4050