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 conchoidal fracture.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and conchoidal fracture.

Formation & geological history

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

Uses & applications

Used in electronics, glassmaking, abrasive powders, and as a popular gemstone or ornamental specimen.

Geological facts

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

Field identification & locations

Identified by its high hardness, lack of cleavage, and characteristic hexagonal crystal habit.