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quartzite

[kwawrt-sahyt] /ˈkwɔrt saɪt/
noun
1.
a granular metamorphic rock consisting essentially of quartz in interlocking grains.
Origin
1840-1850
1840-50; quartz + -ite1
Related forms
quartzitic
[kwawrt-sit-ik] /kwɔrtˈsɪt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for quartzitic

quartzite

/ˈkwɔːtsaɪt/
noun
1.
a very hard metamorphic rock consisting of a mosaic of intergrown quartz crystals
2.
a white or grey sandstone composed of quartz
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for quartzitic

quartzite

n.

1837, from quartz + -ite.

Online Etymology Dictionary, © 2010 Douglas Harper
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quartzitic in Science
quartzite
  (kwôrt'sīt')   
A metamorphic rock consisting entirely of quartz. Quartzite forms when sandstone or chert are heated during metamorphism.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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