In 2023, the calcium sulfate industry share is expected to be worth USD 266.84 billion, and by 2033, it is anticipated to ...

Gypsum occurs in nature as copper sulphate (CuSO 2.H 2 O). Gypsum is a white crystalline salt prepared ... It does not recombine with water after this stage and is said to be dead burnt. Above 400 C, ...

The compounds of calcium are however much more useful than the element itself. Literature dating back to 975 AD shows that plaster of Paris (which is calcium sulphate) was used even then for setting ...