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 vitreous luster, hexagonal crystal system, and lacks cleavage.

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Physical properties

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

Formation & geological history

Forms from hydrothermal solutions and cooling magma in diverse geological environments worldwide.

Uses & applications

Used in electronics, oscillators, glassware, and as a popular gemstone and mineral specimen for collectors.

Geological facts

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

Field identification & locations

Easily identified by its distinct hexagonal prism habit, striations on crystal faces, and high hardness that scratches glass.