quartzite definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- a very hard, metamorphic sandstone so firmly cemented that breakage occurs through grains rather than between them
- any sandstone tightly cemented with quartz
Origin: quartz plush -ite
quartzite definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A rock formed from the metamorphism of quartz sandstone.
quartzite - Science Definition
A metamorphic rock consisting entirely of quartz. Quartzite forms when sandstone or chert are heated during metamorphism.