Rock Identifier
Quartz Crystal (Silicon Dioxide (SiO2)) — mineral
mineral

Quartz Crystal

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and forms in the trigonal crystal system with distinct hexagonal prisms.

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Physical properties

Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and forms in the trigonal crystal system with distinct hexagonal prisms.

Formation & geological history

Forms from hydrothermal solutions in pegmatites, veins, and cavities across various geological ages.

Uses & applications

Used in electronics, oscillators, timekeeping devices, and gemstone jewelry.

Geological facts

Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.

Field identification & locations

Identified by its crystal shape, lack of cleavage, and ability to scratch glass easily; found worldwide.