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, vitreous luster, conchoidal fracture, and hexagonal crystal system. It typically appears colorless or white, but impurities can produce various shades.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and hexagonal crystal system. It typically appears colorless or white, but impurities can produce various shades.

Formation & geological history

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

Uses & applications

Widely used in electronics, glassmaking, abrasives, and as a gemstone or decorative mineral specimen in jewelry.

Geological facts

Quartz is one of the most abundant and durable minerals in Earth's continental crust, exhibiting piezoelectric properties used in watches.

Field identification & locations

Identified by its high hardness, lack of cleavage, and distinct conchoidal fracture. Found worldwide in pegmatites, hydrothermal veins, and sedimentary sands.