Gypsum can be found in hydrothermal veins, which might be fractures in rocks crammed with mineral-wealthy fluids that originate from deep inside the Earth's crust. Soil water likely monitoring: a gypsum block is often inserted into the soil, and its electrical resistance is often calculated to derive soil moisture.[forty six] https://www.propanraya.com/id/produk/eco-gypsum-ee-4050