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 clear to brownish coloration.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with clear to brownish coloration.

Formation & geological history

Forms primarily in igneous, metamorphic, and hydrothermal environments from cooling silica-rich fluids over geological time.

Uses & applications

Widely used in electronics, glassmaking, ornamental objects, and gemstone jewelry.

Geological facts

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

Field identification & locations

Identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; commonly found globally in almost all rock types.