Gypsum Can be found in hydrothermal veins, which can be fractures in rocks full of mineral-abundant fluids that originate from deep in the Earth's crust. Gypsum deposits mostly type in evaporative environments where high evaporation premiums bring on the concentration of dissolved minerals in water. These environments can be found https://www.propanraya.com/id/produk/eco-gypsum-ee-4050