Transparency: Gypsum Can vary from clear to translucent, according to the crystal development and presence of inclusions. Clear crystals enable light to go through clearly, when translucent specimens enable some light-weight passage but seem cloudy or hazy. Deposition: Gypsum originally sorts as dissolved calcium and sulfate ions in water. These https://www.propanraya.com/id/produk/eco-gypsum-ee-4050