mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white or transparent, vitreous luster, hexagonal crystal system, and no cleavage.
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, typically white or transparent, vitreous luster, hexagonal crystal system, and no cleavage.
Formation & geological history
Forms in a wide variety of temperature and pressure conditions, commonly crystallizing from hydrothermal veins and cooling magma.
Uses & applications
Used extensively in electronics, glassmaking, abrasives, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified by its high hardness, conchoidal fracture, and resistance to weathering; found worldwide.
