Tags: Chemical Substance, Mineral.
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate with the chemical formula CaSO4·2H2O. It can be used as a fertilizer is the main constituent in many forms of plaster and is widely mined. A massive fine-grained white or lightly tinted variety of gypsum called alabaster has been used for sculpture by many cultures including Ancient Egypt Mesopotamia Ancient Rome Byzantine empire and the Nottingham alabasters of medieval England.
