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peridotitemore about peridotite

peridotite


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Peridotite  \Per"i*do*tite\,  n.  [Cf.  F.  p['e]ridotite.]  (Min.) 
  An  eruptive  rock  characterized  by  the  presence  of  chrysolite 
  (peridot).  It  also  usually  contains  pyroxene,  enstatite, 
  chromite,  etc  It  is  often  altered  to  serpentine. 
 
  Note:  The  chief  diamond  deposits  in  South  Africa  occur  in  a 
  more  or  less  altered  peridotite. 




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