Calcium sulphate hemihydrate hydration leading to
#0183;#32;The hydration of calcium sulphate hemihydrate (CaSO 4 #183; 2 O) leading to the crystallization of gypsum (calcium sulphate dihydrate CaSO 4 #183;2H 2 O) has been the subject of several investigations over a long period and a vast amount of data is widely distributed throughout in