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 trigonal crystal system with typically white, clear, or stained coloration.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with typically white, clear, or stained coloration.

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, precision instruments, and gemstone carving or jewelry.

Geological facts

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

Field identification & locations

Easily identified by its lack of cleavage, high hardness capable of scratching glass, and hexagonal crystal habit when well-formed.