[1] : The Collaborative International Dictionary of English v.0.48

gadolinite \gad"olinite\, n. named after gadolin, a russian
   chemist. min.
   a mineral of a nearly black color and vitreous luster, and
   consisting principally of the silicates of yttrium, cerium,
   and iron.
   1913 webster

[2] : WordNet (r) 2.0

gadolinite
     n : a mineral that is a source of rare earths; consists of
         silicates of iron and beryllium and cerium and yttrium
         and erbium syn: ytterbite
see also:
ytterbite 

Gadolinite >> G Words
Gadolinite, definition of term: Gadolinite
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