Imports In 2016, Dominica imported $1.16k 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 Dominica. Dominica imports Niobium, Tantalum, Vanadium and Zirconium Ore primarily from: N/A.