Rock Identifier
Quartz (Silicon Dioxide (SiO2)) — mineral
mineral

Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, typically white or transparent, vitreous luster, trigonal crystal system, and no cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, typically white or transparent, vitreous luster, trigonal crystal system, and no cleavage.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary environments through the cooling of magma or precipitation from hydrothermal solutions.

Uses & applications

Used widely in glassmaking, electronics, abrasives, and gemstone jewelry.

Geological facts

Quartz is one of the most abundant and durable minerals in Earth's continental crust.

Field identification & locations

Easily identified by its conchoidal fracture and high scratch resistance against steel and glass, found worldwide.