For Hundreds of years, gypsum has long been used for plaster and pigments in the two constructing and decorating structures. Though plaster may well have been its most important use, Assyrians also sculpted the alabaster number of massive gypsum into ornaments and collectible figurines, though Greeks used transparent selenite gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050