Composition

Quartzite is a hard, non-foliated metamorphic rock that was originally pure quartz sandstone. In the composition process, sandstone is converted into quartzite through heating and pressure, usually related to tectonic compression within orogenic belts. When sandstone is cemented to quartzite the individual quartz grains recrystallize, along with the former cementing material, to form an interlocking mosaic of quartz crystals.

Azul Imperiale quartzite
Azul Imperiale quartzite, sourced by Aria Stone Gallery. Photo courtesy of Aria Stone Gallery.

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Hardness

In its pure form, quartzite can at times be harder than granite. However, since it goes through compression with sandstone and other minerals, there is often variation in the stones hardness. Some quartzites can be harder than granite and others can be soft as marble. Unfortunately, to know the true density of the stone you would have to check each individual’s chemical composition. Most stone quarries don’t have the capabilities to do due to the rural nature of the business. See Aria’s article on The Moh’s Hardness Scale here.

Fusion quartzite
Fusion quartzite, sourced by Aria Stone Gallery. Photo courtesy of Aria Stone Gallery.

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Color

Quartzite is unique and beautiful in many ways, but what draws in our attention the most is its wide variety of patterns and bright, vibrant colors. Blues and greens are among the most rare- while reds, yellows and taupes are more common. Nonetheless, if you are looking for a statement pop of color in your home, quartzite is the material to explore!

Taj Mahal quartzite
Taj Mahal quartzite, sourced by Aria Stone Gallery. Photo courtesy of Aria Stone Gallery.

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 Shop Aria Stone Gallery’s Quartzite

See our wide selection of quartzite natural stones, ranging from bold and colorful to soft and white.

3cm Explosion Blue Quartzite
2cm-red-louis-quartzite
2cm Red Louis Quartzite
audacia-honed-quartzite
3cm Audacia Honed Quartzite
Aria Stone Gallery Taj Mahal Quartzite
2cm Taj Mahal Quartzite


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VIEW MORE:
Back to Nature: Breaking Down the Creation of Stone
Stone Spotlight: Warms + Cools
Design Discussion: What is Traditional?