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

Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on Mohs scale, clear or white color, vitreous luster, hexagonal crystal system, and distinct conchoidal fracture.

Identified More mineral →
Explore Quartz in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Hardness of 7 on Mohs scale, clear or white color, vitreous luster, hexagonal crystal system, and distinct conchoidal fracture.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich fluids.

Uses & applications

Used in electronics, glassmaking, abrasives, and decorative gemstones.

Geological facts

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

Field identification & locations

Identified easily by its lack of cleavage, high hardness, and characteristic conchoidal fracture visible on the surface.