Gypsum Are available in hydrothermal veins, which can be fractures in rocks full of mineral-abundant fluids that originate from deep inside the Earth's crust. Hydration of Anhydrite: Gypsum also can sort through the hydration of anhydrite (CaSO₄). Anhydrite is a calcium sulfate mineral that lacks the h2o molecules existing in https://www.propanraya.com/id/produk/eco-gypsum-ee-4050