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, colorless to white with yellow-brown iron staining, conchoidal fracture, and trigonal crystal system.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, colorless to white with yellow-brown iron staining, conchoidal fracture, and trigonal crystal system.

Formation & geological history

Formed through the crystallization of silica-rich hydrothermal solutions and magma, occurring across diverse geological environments and ages.

Uses & applications

Used extensively in electronics, glassmaking, abrasive powders, and as a popular gemstone or mineral specimen for collectors.

Geological facts

Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.

Field identification & locations

Identified easily by its lack of cleavage, high hardness capable of scratching glass, and distinctive conchoidal fracture; found worldwide.