The 2-Minute Rule for gypsum
Hydrothermal anhydrite in veins is commonly hydrated to gypsum by groundwater in in close proximity to-floor exposures. It is often linked to the minerals halite and sulfur. Gypsum is the commonest sulfate mineral.[seventeen] Pure gypsum is white, but other substances identified as impurities might give a wide range of colors to area deposits.Evapo