Gypsum Caves: Gypsum Caves, generally known as gypsum karst caves, form through the dissolution of gypsum by groundwater. As a little bit acidic drinking water percolates through gypsum-loaded bedrock, it step by step dissolves the gypsum, developing underground voids and passages. Gypsum deposits most commonly type in evaporative environments the https://www.propanraya.com/id/produk/eco-gypsum-ee-4050