Gypsum Happens in two principal versions as white earthy masses or as obvious crystals. In crystal type, its softness and single fantastic cleavage with two less effectively-designed cleavage directions usually provide to distinguish gypsum from other similar-looking minerals. Organic gypsum is mined from geological deposits. These deposits are usually found https://www.propanraya.com/id/produk/eco-gypsum-ee-4050