Deposition: Gypsum Originally kinds as dissolved calcium and sulfate ions in water. These ions can come from various resources, including the dissolution of calcium-containing minerals in rocks as well as leaching of sulfur compounds from organic issue and volcanic emissions. Altered Soil pH: Gypsum might have a liming impact on soil. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050