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, hexagonal crystal system, and transparent to opaque color variations.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and transparent to opaque color variations.

Formation & geological history

Formed in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich solutions and magmas.

Uses & applications

Widely used in electronics, glassmaking, precision instruments, and gemstone jewelry.

Geological facts

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

Field identification & locations

Identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; commonly found worldwide in pegmatites and vein deposits.