Gypsum Mills and Pulverizers - Gypsum production grinding mill
The so-called gypsum generally refers to two kinds of minerals, raw gypsum, and anhydrite. Gypsum is calcium sulfate dihydrate, also known as gypsum dihydrate, water gypsum, or soft gypsum, usually in the form of dense block or fiber, with a Mohs hardness of 2; anhydrite is anhydrous calcium sulfate, with a Mohs hardness of 3 to 3.5.