Gabon Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to France was US$33 during 2015, according to the United Nations COMTRADE database on international trade. Gabon Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to France - data, historical chart and statistics - was last updated on May of 2024.