Transparency: Gypsum Can vary from clear to translucent, dependant upon the crystal formation and presence of inclusions. Clear crystals allow mild to go through clearly, whilst translucent specimens let some light passage but surface cloudy or hazy. Soil Amendment: Gypsum, generally known as land plaster, is used to be a https://www.propanraya.com/id/produk/eco-gypsum-ee-4050