Dolomite Mainly Use in the glass industry and ceramic industry. DolomiteOur factory's dolomite mainly Use in the glass industry and ceramic industry.The specification as follow:Cao 30.62%, MgO 22.14% , SiO2 3.68%, Fe2O3 0.20%. Size : 0-3CM Or 0-5CM .If you are interested this kind of materials , please contact me ASAP.Thank you dolomite stone