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, conchoidal fracture, and trigonal crystal system with white to clear coloration.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with white to clear coloration.

Formation & geological history

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

Uses & applications

Used extensively in electronics, glassmaking, oscillators, 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 high hardness (scratches glass), lack of cleavage, and characteristic hexagonal crystal prisms.