Gypsum are available in hydrothermal veins, that happen to be fractures in rocks full of mineral-prosperous fluids that originate from deep within the Earth's crust. Gypsum deposits mostly form in evaporative environments where high evaporation costs lead to the concentration of dissolved minerals in water. These environments are available on https://www.propanraya.com/id/produk/eco-gypsum-ee-4050