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 typically white, clear, or milky in color.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and typically white, clear, or milky in color.

Formation & geological history

Forms in hydrothermal veins, pegmatites, and as a primary component of igneous, metamorphic, and sedimentary rocks.

Uses & applications

Used in electronics, glassmaking, abrasives, and as a popular gemstone or decorative mineral specimen.

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 (scratches glass), lack of cleavage, and distinct conchoidal fracture; found worldwide.