We don't have synonyms for euxenite yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are eugenie, edenite and queenite.
(n) :
(mineralogy) A dark brown lustrous mineral that is a mixed oxide of cerium, erbium, titanium, uranium, yttrium and other more common metals, with the chemical formula (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆.
(n) :
(mineralogy) A dark brown lustrous mineral that is a mixed oxide of cerium, erbium, titanium, uranium, yttrium and other more common metals, with the chemical formula (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆.