Magnesium carbonate
Magnesium carbonate is an inorganic chemical compound with the chemical formula MgCO3. It is quite common. In nature, it is mainly found as one of two forms, magnesite and dolomite. It is a food additive. It is commonly found in mineral water. In sports, sportspeople often use it to dry their hands. Because it resists fire and heat well, it is used to produce kitchen utensils.