Properties of Magnesium Carbonate MgCOHeavy magnesium carbonate is available as a granular powder whereas light magnesium carbonate is available as a very light powder. Both are white, odourless and tasteless. They are insoluble in water and alcohol and are soluble in mineral acids with effervescence.
Magnesium Carbonate (MgCO3), is an inorganic salt that is a white solid. Several hydrated and basic forms of magnesium carbonate also exist as minerals.