Tunisia Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Libya was US$8.94 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Tunisia Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Libya - data, historical chart and statistics - was last updated on May of 2024.