rare earths
ANY OF THE FIFTEEN LANTHANIDES PLUS SCANDIUM AND YTTRIUM
Rare-earth; Rare earth elements; Rare Earth Elements; Rare earths; Rare earth metal; Rare-Earth Element; Rare Earth Element; Rare earth metals; Rare-earth elements; Rare-earth metals; Metals, rare earth; Rare-earth-element; Rare Earth element; LREE; Rare-earth ion; Rare earth ion; Cerium group; Cerium group element; Cerium group elements; Yttrium group; Yttrium group element; Yttrium group elements; Terbium group; Terbium group element; Terbium group elements; REEs; Rare earth element; Rare-earth metal; Environmental impacts of rare-earth mining
اكاسيد عناصر الأتربة النادرة