Gypsum Caves: Gypsum caves, often known as gypsum karst caves, kind in the dissolution of gypsum by groundwater. As a little bit acidic water percolates by gypsum-prosperous bedrock, it steadily dissolves the gypsum, creating underground voids and passages. Reactivity: It is chemically stable under ordinary problems but reacts with sulfuric https://www.propanraya.com/id/produk/eco-gypsum-ee-4050