Turkey Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Iran was US$21.79 Thousand during 2020, according to the United Nations COMTRADE database on international trade. Turkey Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Iran - data, historical chart and statistics - was last updated on May of 2024.