… Niobium, tantalum, vanadium or zirconium ores and concentrates. …
Explanatory notes
… 26.15 ‑ N iobium, tantalum, vanadium or zirconium ores and concentrates. 2615.10 ‑ … The principal zirconium ores generally classified in this heading are : (a) Baddeleyite, zirconium oxide. (b) Zircon and zircon sands, …