mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and hexagonal 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, vitreous luster, conchoidal fracture, and hexagonal crystal system.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich fluids.
Uses & applications
Used extensively in electronics, glassmaking, oscillators, and as a gemstone.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust.
Field identification & locations
Identified by its high hardness, lack of cleavage, and characteristic glassy luster; found worldwide.
