Transparency: Gypsum Can range from transparent to translucent, with regards to the crystal development and presence of inclusions. Clear crystals allow for light to go through Evidently, although translucent specimens allow for some mild passage but show up cloudy or hazy. Gypsum happens in extensive beds linked to other evaporite https://www.propanraya.com/id/produk/eco-gypsum-ee-4050