Nechalacho Rare Earth Elements Project, Thor Lake, Northwest Territories, Canada

Under an agreement with Avalon, Solvay will process the rare earth concentrate to produce separated oxides of neodymium (Nd), praseodymium (Pr), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), lutetium (Lu) and yttrium (Y). Image courtesy of Chemicalinterest.