Quartzite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Quartzite \Quartz"ite\, n. [Cf. F. quartzite.] (Min.)
     Massive quartz occurring as a rock; a metamorphosed
     sandstone; -- called also {quartz rock}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  quartzite
       n : hard metamorphic rock consisting essentially of interlocking
           quartz crystals