Pakistan has very large reserves of gypsum/anhydrite found in all the provinces of the country. Major deposits are those of Daud Khel, Khewra and D.G. Khan Punjab, kohat Region in Khyber Pakhtunkhwa and Spintangi and Chamalang in Balochistan. Smaller Deposits occur in Dadu District of Sindh and Lasbela district of Balochistan. Present estimate of available gypsum resources in the country is over 28 billion tonnes. The reported average annual production is 1,041,972 metric tonnes, registering an increase of about 100% over the past few years.