Quartzite definitions

kwôrt'sīt'
A very hard, metamorphic sandstone so firmly cemented that breakage occurs through grains rather than between them.
noun
17
0
Any sandstone tightly cemented with quartz.
noun
14
0
A rock formed from the metamorphism of quartz sandstone.
noun
8
0
A metamorphic rock consisting entirely of quartz. Quartzite forms when sandstone or chert are heated during metamorphism.
4
0
A metamorphic rock consisting of interlocking grains of quartz.
noun
0
0

Origin of quartzite

From quartz +"Ž -ite.