mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale. Color is typically white, clear, or milky 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. Color is typically white, clear, or milky with a vitreous luster and trigonal crystal system.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich solutions and magmas.
Uses & applications
Used in electronics, glassmaking, abrasives, and ornamental 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, lack of cleavage, and conchoidal fracture; found worldwide in virtually all geological settings.
