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Definitions of Felstone

  1. Rock of quartz and feldspar. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  2. In geol., a name to designate compact felspar which occurs in amorphous rock-masses. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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