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fergusonite

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fergusonite


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Fergusonite  \Fer"gu*son*ite\,  n.  (Min.) 
  A  mineral  of  a  brownish  black  color,  essentially  a 
  tantalo-niobate  of  yttrium,  erbium,  and  cerium;  --  so  called 
  after  Robert  Ferguson. 
 
  From  WordNet  r  1.6  [wn]: 
 
  fergusonite 
  n  :  a  dark  mineral  consisting  of  oxides  of  yttrium  and  erbium 
  and  tantalum  and  other  minerals 




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