Gypsum Caves: Gypsum caves, also called gypsum karst caves, form through the dissolution of gypsum by groundwater. As a little acidic water percolates by means of gypsum-rich bedrock, it little by little dissolves the gypsum, generating underground voids and passages. Gypsum deposits mostly sort in evaporative environments where high evaporation https://www.propanraya.com/id/produk/eco-gypsum-ee-4050