Transparency: Gypsum Can vary from clear to translucent, dependant upon the crystal formation and presence of inclusions. Transparent crystals allow gentle to go through Obviously, whilst translucent specimens enable some gentle passage but look cloudy or hazy. For hundreds of years, gypsum has long been utilized for plaster and pigments https://www.propanraya.com/id/produk/eco-gypsum-ee-4050