noun
- a mineral form of calcium sulfate (CaSO₄) that occurs naturally in evaporite deposits and is used in the production of sulfuric acid and plaster.
Usage: technical; geology
Examples
- Anhydrite is commonly found in salt domes and evaporite formations.
- The mineral anhydrite can be converted to gypsum when exposed to water.
- Geologists identified anhydrite deposits in the sedimentary rock layers.
- Anhydrite is mined commercially for use in cement and fertilizer production.
- The anhydrite sample showed the characteristic white to gray coloration.