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

Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on Mohs scale, typically peach or orange color due to inclusions, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage, specific gravity of 2.65.

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Physical properties

Hardness of 7 on Mohs scale, typically peach or orange color due to inclusions, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage, specific gravity of 2.65.

Formation & geological history

Formed via crystallization from silica-rich hydrothermal solutions or cooling magma, commonly found in pegmatites, hydrothermal veins, and sedimentary environments.

Uses & applications

Used extensively in jewelry as a gemstone, decorative carvings, glassmaking, electronics, and oscillators.

Geological facts

Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties, generating an electric charge under mechanical stress.

Field identification & locations

Easily identified by its high hardness (scratches glass), lack of cleavage, and conchoidal fracture. Found globally in almost all geological environments.