Alabaster: This Fantastic-grained number of gypsum is distinguished by its uniform texture and translucent top quality. Its mineral composition however contains some water even though. Heating gypsum will drive off this remaining h2o to generate a dry powder which will later be coupled with h2o to once again develop gypsum. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050