Portugal Imports from Portugal of Natural Magnesium Carbonate, Fused Magnesia, Other Magnesium Oxide was US$123 during 2012, according to the United Nations COMTRADE database on international trade. Portugal Imports from Portugal of Natural Magnesium Carbonate, Fused Magnesia, Other Magnesium Oxide - data, historical chart and statistics - was last updated on June of 2024.