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

Quartz Crystal

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Mohs hardness of 7, colorless or white, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.

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Physical properties

Mohs hardness of 7, colorless or white, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary environments from silica-rich hydrothermal solutions.

Uses & applications

Widely used in electronics, oscillator clocks, glassmaking, and gemstone jewelry.

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 distinct crystal habit; found worldwide.