Monazite

n.

1.

(Min.) A mineral occurring usually in small isolated crystals, - a phosphate of the cerium metals.

Noun

1.

monazite - a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium

atomic number 58, atomic number 59, atomic number 60, atomic number 62, atomic number 63, atomic number 65, atomic number 69, atomic number 70, atomic number 90, Ce, cerium, Eu, europium, mineral, Nd, neodymium, Pr, praseodymium, samarium, Sm, Tb, terbium, Th, thorium, thulium, Tm, Yb, ytterbium