Gypsum Can be found in hydrothermal veins, which are fractures in rocks stuffed with mineral-prosperous fluids that originate from deep within the Earth's crust. Hydration of Anhydrite: Gypsum also can variety through the hydration of anhydrite (CaSO₄). Anhydrite is usually a calcium sulfate mineral that lacks the h2o molecules current https://www.propanraya.com/id/produk/eco-gypsum-ee-4050