Gypsum Caves: Gypsum Caves, often called gypsum karst caves, sort from the dissolution of gypsum by groundwater. As marginally acidic drinking water percolates by means of gypsum-rich bedrock, it progressively dissolves the gypsum, creating underground voids and passages. Agriculture: Soil Conditioner: Gypsum is placed on agricultural soils to boost soil https://www.propanraya.com/id/produk/eco-gypsum-ee-4050