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 white or clear, vitreous luster, hexagonal crystal system, conchoidal fracture.

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Physical properties

Hardness of 7 on Mohs scale, typically white or clear, vitreous luster, hexagonal crystal system, conchoidal fracture.

Formation & geological history

Formed in hydrothermal veins and pegmatites through the cooling and precipitation of silica-rich fluids over millions of years.

Uses & applications

Used in electronics, glassmaking, oscillators, and as a popular gemstone in jewelry.

Geological facts

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

Field identification & locations

Identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; found worldwide in varied geological settings.