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 a vitreous luster, trigonal crystal system, and no cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, trigonal crystal system, and no cleavage.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary environments through cooling magmas or precipitation from hydrothermal solutions.

Uses & applications

Widely used in jewelry, electronics, glassmaking, and metaphysical crystal healing collections.

Geological facts

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

Field identification & locations

Identified by its high hardness, lack of cleavage, and conchoidal fracture; found globally in almost all rock types.