Imports In 2017, Guyana imported $3.52k in Niobium, Tantalum, Vanadium and Zirconium Ore, becoming the 0th largest importer of Niobium, Tantalum, Vanadium and Zirconium Ore in the world. At the same year, Niobium, Tantalum, Vanadium and Zirconium Ore was the 0th most imported product in Guyana. Guyana imports Niobium, Tantalum, Vanadium and Zirconium Ore primarily from: N/A.