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, conchoidal fracture, and trigonal crystal system with various colors including white, clear, or pink.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with various colors including white, clear, or pink.

Formation & geological history

Formed through hydrothermal veins, pegmatites, and as a primary component of igneous, metamorphic, and sedimentary rocks over millions of years.

Uses & applications

Widely used in electronics, glassmaking, precision instruments, and as gemstones or collector specimens.

Geological facts

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

Field identification & locations

Identified by its high hardness (scratches glass), lack of cleavage, and distinct conchoidal fracture; found worldwide.