Gypsum Are available in hydrothermal veins, which can be fractures in rocks crammed with mineral-rich fluids that originate from deep throughout the Earth's crust. Reactivity: It is chemically stable under normal circumstances but reacts with sulfuric acid, forming extra soluble calcium sulfate. When gypsum is heated, h2o is pushed from https://www.propanraya.com/id/produk/eco-gypsum-ee-4050