Gypsum Caves: Gypsum caves, often called gypsum karst caves, sort through the dissolution of gypsum by groundwater. As marginally acidic water percolates through gypsum-loaded bedrock, it slowly dissolves the gypsum, building underground voids and passages. Reactivity: It really is chemically stable less than regular ailments but reacts with sulfuric acid, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050