Gypsum occurs in two major varieties as white earthy masses or as very clear crystals. In crystal type, its softness and solitary fantastic cleavage with two significantly less very well-created cleavage directions generally serve to distinguish gypsum from other related-hunting minerals. Knowledge the development, properties, uses, and types of gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050