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 transparent to translucent color.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and transparent to translucent color.

Formation & geological history

Formed in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich fluids.

Uses & applications

Widely used in electronics, glassmaking, gemstone carving, and decorative ornaments.

Geological facts

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

Field identification & locations

Identified by its high hardness, lack of cleavage, and conchoidal fracture. Found worldwide.