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 translucent with vitreous luster, hexagonal crystal system, and conchoidal fracture.

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Physical properties

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

Formation & geological history

Formed in hydrothermal veins, pegmatites, and as a primary component of igneous, metamorphic, and sedimentary rocks across various geological eras.

Uses & applications

Used in electronics, glassmaking, abrasive materials, precision instruments, and gemstone jewelry or mineral collections.

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 characteristic conchoidal fracture; found globally worldwide.