QuartziteQuartzite

Quartzite Value, Price, and Jewelry Information

Quartzite is a rock made up of tightly packed quartz grains. Sometimes, it contains small crystals that reflect light. This material is called aventurine.

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By International Gem Society
Quartzite
Quartzite (Sioux Quartzite, Paleoproterozoic, 1.65 to 1.70 Ga; Sioux Falls area, city of Sioux Falls, Transcontinental Arch, southeastern South Dakota, USA) by James St. John, on Flickr

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Quartzite Value

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 A rock made up of tightly packed quartz grains, formed at high temperature and pressure, due to metamorphism. Sometimes it contains small crystals that reflect light, and this material is called aventurine. Usually the included crystals are green, chrome-rich mica called fuchsite. Other micas that may form aventurine include gray varieties or brown types (from Chile). The density is usually 2.64-2.69. Occurrence: Spain; Russia; India; Chile.

Stone Sizes

Quartzite and milky quartz are massive varieties available in large pieces.

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