Answer: RAREEARTH

AnswerCrossword Clue
RAREEARTH"I Just Want to Celebrate" rock group
RAREEARTHElement class including scandium
RAREEARTH... elements (scandium, yttrium, et al.)
RAREEARTHYttrium oxide, for one
RAREEARTHErbium or terbium
RAREEARTHErbium, e.g.
RAREEARTHBasic oxide.
RAREEARTHMonazite, e.g.
RAREEARTHKind of element
RAREEARTHOxide of cerium, yttrium, etc.
RAREEARTHBand with the 1970 hit "Get Ready"
RAREEARTHTerbium or thulium
RAREEARTHElement class including cerium