Gips,Ca So4.2H2O adalah mineral yang lunak ,biasanya takberwarna,masif dan mempunyai bidang boleh dalam tiga arah.kekerasan 1,5 sampai 2,karena itu dapat digores dengan kuku.
Naturally, gypsum occures as a sulphate mineral containing water of crystallization. Gypsum is used widely in industrial, construction and medical sectors. Anhydrite as its name implies is the sulphate without water of crystallization. In addition anhydrite is found in association with gypsum. Recently, domestic gypsum end-users show some sig…