CaO: 29, 34%, MgO: 22, 01%, Fe2O3: 0, 29%, Dolomite was used as decorative stone, cement compound, magnesium oxide source and in the process to produce magnesium Pidgeon. It is an important oil reserves rocks. Dolomite is sometimes used as an additive in metallurgy. Large dolomite is used in glass production. In art Florists, dolomite and dolomitic limestone soil is added to reduce the acidity and is a source of magnesium.