gadolinite

2 definitions found

gadolinite - Collaborative International Dictionary of English v.0.48 :

  Gadolinite \Gad"o*lin*ite\, 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]

gadolinite - WordNet (r) 2.1 (2005) :

  gadolinite
      n 1: a mineral that is a source of rare earths; consists of
           silicates of iron and beryllium and cerium and yttrium and
           erbium [syn: gadolinite, ytterbite]