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, commonly white or colorless, vitreous luster, trigonal crystal system, and exhibits conchoidal fracture with no true cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, commonly white or colorless, vitreous luster, trigonal crystal system, and exhibits conchoidal fracture with no true cleavage.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich solutions or cooling magma.

Uses & applications

Widely used in electronics, glassmaking, abrasive powders, and as a popular gemstone or mineral specimen.

Geological facts

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

Field identification & locations

Easily identified in the field by its high hardness (scratches glass) and distinctive conchoidal fracture. Found globally.