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 a wide range of geological environments, predominantly in igneous, metamorphic, and sedimentary rocks.
Uses & applications
Widely used in electronics, glassmaking, oscillators, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust, surpassed only by feldspar.
Field identification & locations
Identified by its conchoidal fracture, lack of cleavage, and high hardness; found globally.
