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 colorless or white.

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 the Mohs scale, vitreous luster, conchoidal fracture, and typically colorless or white.

Formation & geological history

Formed in a wide variety of geological environments, frequently crystallizing from hydrothermal veins and silica-rich magmas.

Uses & applications

Widely used in electronics, glassmaking, abrasives, and as ornamental gemstones in jewelry.

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 characteristic hexagonal crystal prisms when well-formed.