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 What is the hardness of quartzite?

Answer According to the Earth Science Lab of Black Hawk College, quartzite is composed of quartz sand grains. It thus has the hardness of quartz, which is 7 on the Mohs scale of relative hardness. That sa... Read More »
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Top Q&A For: What is the hardness of quartzite

How is quartzite used?

Prolonged heat and pressure change sandstone to quartzite, a hard, grey rock. The building industry uses quartzite because of its strength and resistance to erosion. Many other industries choose qu... Read More »
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What is quartzite?

Quartzite, a silicon-based rock created from the application of heat and pressure to sandstone, consists of a strong, hard fusion of quartz and silica "cement."DefinitionGraniteland defines quartzi... Read More »
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What is quartzite made of?

Quartzite consists of interlocking quartz grains, according to the Pennsylvania Department of Conservation and Natural Resources. Its chemical formula is SiO2, as quartzite is chemically composed ... Read More »
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Is quartzite foliated?

Quartzite is a type of non-foliated metamorphic rock. It lacks the banded or layered appearance, or foliation, of rocks such as gneiss, schist, and slate. Quartzite formed under intense heat and pr... Read More »
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