Fluorescence: Fluorescence could be the home of the mineral to emit noticeable light when subjected to ultraviolet radiation. Gypsum will not fluoresce beneath UV light-weight. Very generally it is actually shaped in the hydration of anhydrite by floor waters and groundwaters, and, So, lots of gypsiferous strata grade downward into https://www.propanraya.com/id/produk/eco-gypsum-ee-4050