Magnesite And Dolomite minerals are Used To Produce magnesium metal And Basic Refractory Bricks. Magnesium Carbonate Is Also Used In Flooring, Fire Proofing, Fire Extinguishing Compositions, Cosmetics, Dusting Powder And Toothpaste. Other Applications Are As Filler Material, Smoke Suppressant In Plastics, A Reinforcing Agent In Neoprene Rubber, A Drying Agent And Colour Retention In Floods. In Addition, High Purity Magnesium Carbonate Is Used As Antacid And As An Additive In Table Salt To Keep It Free Flowing.