Fluorescence: Fluorescence Is the assets of a mineral to emit noticeable gentle when exposed to ultraviolet radiation. Gypsum does not fluoresce beneath UV gentle. Soil water probable checking: a gypsum block might be inserted in the soil, and its electrical resistance can be measured to derive soil moisture.[forty six] The https://www.propanraya.com/id/produk/eco-gypsum-ee-4050