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

Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on Mohs scale, vitreous luster, transparent to opaque, conchoidal fracture with no true cleavage.

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Physical properties

Hardness of 7 on Mohs scale, vitreous luster, transparent to opaque, conchoidal fracture with no true cleavage.

Formation & geological history

Formed through crystallization from silica-rich hydrothermal solutions and magma across various geological time scales.

Uses & applications

Widely used in electronics, glassmaking, precision instruments, and ornamental 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 six-sided crystal terminations when well-formed.