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MONAZITE
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I. (noun)
Sense 1
Meaning:
A reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
Classified under:
Hypernyms ("monazite" is a kind of...):
mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)
Meronyms (substance of "monazite"):
atomic number 58; Ce; cerium (a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group)
atomic number 63; Eu; europium (a bivalent and trivalent metallic element of the rare earth group)
atomic number 60; Nd; neodymium (a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium)
atomic number 59; Pr; praseodymium (a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process)
atomic number 62; samarium; Sm (a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite)
atomic number 65; Tb; terbium (a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite)
atomic number 90; Th; thorium (a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands)
atomic number 69; thulium; Tm (a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime)
atomic number 70; Yb; ytterbium (a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime)
