Transparency: Gypsum Can vary from clear to translucent, according to the crystal development and presence of inclusions. Clear crystals make it possible for mild to go through clearly, although translucent specimens let some light-weight passage but surface cloudy or hazy. Density and Particular Gravity: Density refers back to the mass https://www.propanraya.com/id/produk/eco-gypsum-ee-4050