LREE vs. HREE (Light vs. Heavy)
The fundamental split in the rare earth family based on atomic weight and scarcity.
HREE
Xenotime: The Heavy Hitter
Xenotime is the premier hard-rock source for valuable Heavy Rare Earth Elements like Dysprosium and Terbium.
Ionic Adsorption Clays: The Silent Giant
Found primarily in Southern China, these clays are the world’s easiest-to-process source of heavy rare earths, though often at a high environmental cost.