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tridymitemore about tridymite

tridymite


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Tridymite  \Trid"y*mite\,  n.  [Gr.  ?  threefold.  So  called  in 
  allusion  to  the  supposed  threefold  nature  of  the  twin 
  crystals.]  (Min.) 
  Pure  silica,  like  quartz,  but  crystallizing  in  hexagonal 
  tables.  It  is  found  in  trachyte  and  similar  rocks. 
 
  From  WordNet  r  1.6  [wn]: 
 
  tridymite 
  n  :  a  mineral  form  of  silica 




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