Transparency: Gypsum Can vary from clear to translucent, based on the crystal development and existence of inclusions. Transparent crystals make it possible for mild to go through Plainly, while translucent specimens make it possible for some gentle passage but seem cloudy or hazy. Salt Flats: Gypsum is a standard part https://www.propanraya.com/id/produk/eco-gypsum-ee-4050