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 opaque, vitreous luster, hexagonal crystal system, and conchoidal fracture.

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Physical properties

Hardness of 7 on the Mohs scale, transparent to opaque, 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, watchmaking, glass manufacturing, and as a popular gemstone and mineral specimen.

Geological facts

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

Field identification & locations

Easily identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; found globally in various rock types.