For Hundreds of years, gypsum has actually been used for plaster and pigments in equally constructing and decorating buildings. Though plaster might have already been its most significant use, Assyrians also sculpted the alabaster number of enormous gypsum into ornaments and collectible figurines, although Greeks utilized transparent selenite gypsum crystals https://www.propanraya.com/id/produk/eco-gypsum-ee-4050