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

Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on Mohs scale, variable color, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.

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Physical properties

Hardness of 7 on Mohs scale, variable color, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.

Formation & geological history

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

Uses & applications

Used in electronics, glassmaking, oscillators, abrasives, and as a gemstone or specimen in mineral collections.

Geological facts

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

Field identification & locations

Readily identified by its distinct crystal habit, high hardness, and lack of cleavage, commonly found worldwide in pegmatites and veins.