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, transparent to translucent with a vitreous luster, and trigonal crystal system.

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Physical properties

Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and trigonal crystal system.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich fluids.

Uses & applications

Widely used in electronics, glassmaking, oscillators, and gemstone jewelry.

Geological facts

Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits strong piezoelectric properties.

Field identification & locations

Identified by its high hardness, conchoidal fracture, and lack of cleavage; found worldwide in virtually all geological settings.