Rare earth elements REE are different to the Platinum group elements PGE.
REE are lanthanides atomic numbers 57-71
These are split into 2 groups light and heavy
LREE La - Eu, Gd is as well but has other characteristics .
HREE are 65-71
Light can be found in monazite
Heavy can be found in Xenatime.
All these elements give off light and are used in flat screen technologies
Lanthanum and cerium ignite easily and are used in petrol and diesel, lighters, matches.
China dominates this market, other global countries are sourcing their own REE to be not dependent on the Chinese.
There are toxic issues with processing these elements as they all give off some radiation.
Onslow seems to be the place they want to process these elements in the Gascoyne