Fergusonite: The Niobium-Yttrium Ore
Fergusonite is a valuable ore for both Niobium and heavy rare earths like Yttrium and Dysprosium.
HREE
Zircon: The Durable Byproduct
Mined primarily for zirconium, Zircon sands are a massive, often overlooked potential source of heavy rare earth elements.