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

Quartz Crystal

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and transparent to translucent appearance.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and transparent to translucent appearance.

Formation & geological history

Formed through the cooling and precipitation of silica-rich hydrothermal fluids in rock cavities and veins over millions of years.

Uses & applications

Widely used in electronics, oscillators, glass manufacture, and as popular gemstone specimens for jewelry and crystal collections.

Geological facts

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

Field identification & locations

Identified by its high hardness, lack of cleavage, and distinct hexagonal prism shape; found globally in igneous, metamorphic, and sedimentary rocks.