atomic number 62


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Noun1.atomic number 62 - a grey lustrous metallic element of the rare earth groupatomic number 62 - a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
bastnaesite, bastnasite - a yellow-to-brown mineral that is a source of rare earth elements
monazite - a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium