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, conchoidal fracture, and typically colorless or white.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and typically colorless or white.

Formation & geological history

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

Uses & applications

Used in electronics, glassware, precision instruments, and ornamental jewelry.

Geological facts

Quartz is one of the most abundant minerals in Earth's continental crust and exhibits strong piezoelectric properties.

Field identification & locations

Identified by its high hardness and lack of cleavage; found globally in veins, pegmatites, and as detrital grains in sedimentary rocks.