The 5-Second Trick For gypsum
Hydrothermal anhydrite in veins is often hydrated to gypsum by groundwater in near-surface exposures. It is frequently affiliated with the minerals halite and sulfur. Gypsum is the most common sulfate mineral.[17] Pure gypsum is white, but other substances located as impurities might give a wide range of colours to nearby deposits.Agates: A type of