Gypsum Can be found in hydrothermal veins, that are fractures in rocks crammed with mineral-prosperous fluids that originate from deep within the Earth's crust. Hydration of Anhydrite: Gypsum could also sort in the hydration of anhydrite (CaSO₄). Anhydrite can be a calcium sulfate mineral that lacks the water molecules current https://www.propanraya.com/id/produk/eco-gypsum-ee-4050