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allanite


allanite


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Allanite  \Al"lan*ite\,  n.  [From  T.  Allan,  who  first 
  distinguished  it  as  a  species.]  (min.) 
  A  silicate  containing  a  large  amount  of  cerium.  It  is  usually 
  black  in  color,  opaque,  and  is  related  to  epidote  in  form  and 
  composition.