Iran Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Armenia was US$12.5 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Iran Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Armenia - data, historical chart and statistics - was last updated on May of 2024.