quartzite
quart·zite
noun
1.
hard metamorphic rock consisting essentially of interlocking quartz crystals
Origin
From quartz + -ite.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.