Transparency: Gypsum Can range from transparent to translucent, according to the crystal formation and presence of inclusions. Clear crystals allow for gentle to pass through Evidently, although translucent specimens make it possible for some gentle passage but surface cloudy or hazy. Gypsum happens in substantial beds linked to other evaporite https://www.propanraya.com/id/produk/eco-gypsum-ee-4050