- a granular metamorphic rock consisting essentially of quartz in interlocking grains.
Origin of quartzite
Examples from the Web for quartzite
Historical Examples of quartzite
For furnace linings, the quartzite or ganister must be exceptionally pure.
Pebbles of the conglomerate are mainly quartz and quartzite.
The magnetic iron ore is associated with hornblende and quartzite.A Report on Washington Territory
William Henry Ruffner
For them flint and quartzite took the place of bronze, iron, or steel.Men of the Old Stone Age
Henry Fairfield Osborn
It appears to us from its use to have been either a quartzite or a fissile limestone.De Re Metallica
- a very hard metamorphic rock consisting of a mosaic of intergrown quartz crystals
- a white or grey sandstone composed of quartz
Word Origin and History for quartzite
- A metamorphic rock consisting entirely of quartz. Quartzite forms when sandstone or chert are heated during metamorphism.