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

Quartz Crystal

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on Mohs scale, clear to milky-white or yellow color, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.

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Physical properties

Hardness of 7 on Mohs scale, clear to milky-white or yellow color, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.

Formation & geological history

Formed from hydrothermal solutions or cooling magma in pegmatites, veins, and sedimentary environments over millions of years.

Uses & applications

Used in jewelry, decorative specimens, electronics, optics, and industrial abrasives.

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 distinct hexagonal prisms, high hardness, and lack of cleavage; found globally.