
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and trigonal crystal system.
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, transparent to translucent with a vitreous luster, and trigonal crystal system.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich fluids.
Uses & applications
Widely used in electronics, glassmaking, oscillators, and gemstone jewelry.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its high hardness, conchoidal fracture, and lack of cleavage; found worldwide in virtually all geological settings.