Gypsum deposits in the world and Iran

By |2019-11-16T12:45:20+03:3020th October, 2019|Chalk mine, Gypsum|

Gypsum deposits in the world Falling under the category of calcium-based building materials, gypsum is the fifth most abundant substance in nature. Gypsum is found in almost all parts of the world. As for Iran, it can be found in areas such as the central desert and around Tehran, Azerbaijan, Jajrood and around Mashhad. Being