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

White Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on Mohs scale, milky white color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, specific gravity of 2.65.

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Physical properties

Hardness of 7 on Mohs scale, milky white color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, specific gravity of 2.65.

Formation & geological history

Formed from hydrothermal veins, igneous pegmatites, and metamorphic quartzites over various geological eras.

Uses & applications

Used in glassmaking, electronics, abrasives, and decorative items or lapidary work.

Geological facts

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

Field identification & locations

Identified by its high hardness (scratches glass), lack of cleavage, and white or transparent appearance; found globally.