Transparency: Gypsum Can range from transparent to translucent, based on the crystal development and existence of inclusions. Transparent crystals allow for gentle to pass through clearly, although translucent specimens allow for some mild passage but show up cloudy or hazy. Gypsum happens in in depth beds linked to other evaporite https://www.propanraya.com/id/produk/eco-gypsum-ee-4050