Gypsum Caves: Gypsum caves, often called gypsum karst caves, type through the dissolution of gypsum by groundwater. As somewhat acidic h2o percolates through gypsum-loaded bedrock, it progressively dissolves the gypsum, generating underground voids and passages. Very frequently it's formed from your hydration of anhydrite by surface waters and groundwaters, and, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050