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, hexagonal crystal system, and white to clear or brownish color due to impurities.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and white to clear or brownish color due to impurities.

Formation & geological history

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

Uses & applications

Used in electronics, glassmaking, abrasive materials, and ornamental jewelry or crystal collecting.

Geological facts

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

Field identification & locations

Identified easily by its conchoidal fracture and scratch resistance against glass; found worldwide in virtually all geological settings.