mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent color, vitreous luster, and hexagonal crystal system with 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, transparent to translucent color, vitreous luster, and hexagonal crystal system with no cleavage.
Formation & geological history
Formed through crystallization from hydrothermal veins and cooling magma, found in igneous, metamorphic, and sedimentary rocks.
Uses & applications
Used widely in electronics, glassmaking, precision instruments, and as a popular gemstone or collector mineral.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its crystal habit, high hardness scratching glass, and conchoidal fracture; found globally.
