We found 1 definitions of atomic number 59 from 1 different sources.
Noun |
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atomic number 59 - a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process | ||
praseodymium, Pr | ||
metallic element, metal 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 |