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

Rock Crystal Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, colorless to white, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, colorless to white, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.

Formation & geological history

Forms in hydrothermal veins, pegmatites, and cavity linings through cooling and precipitation of silica-rich fluids over millions of years.

Uses & applications

Used in electronics for frequency control, optical components, gemstone carving, and mineral collections.

Geological facts

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

Field identification & locations

Identified by its high hardness, conchoidal fracture, and characteristic hexagonal prismatic crystal habit; found globally.