inorganic salt that is a white solid. Several hydrated and basic forms of magnesium carbonate also exist as minerals.Applications:-The primary use of magnesium carbonate is the production of magnesium oxide by calcinin-MgCO3 is also used in flooring,Website:http://www.beryliumfluoride.com, fireproofing, fire extinguishing compositions, cosmetics, dusting powder, and toothpaste. -As a food additive ...