Transparency: Gypsum Can range from clear to translucent, dependant upon the crystal formation and presence of inclusions. Clear crystals permit mild to go through Obviously, whilst translucent specimens allow for some mild passage but look cloudy or hazy. Density and Distinct Gravity: Density refers back to the mass for each https://www.propanraya.com/id/produk/eco-gypsum-ee-4050