
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, vitreous luster, transparent to opaque, conchoidal fracture with no true 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 Mohs scale, vitreous luster, transparent to opaque, conchoidal fracture with no true cleavage.
Formation & geological history
Formed through crystallization from silica-rich hydrothermal solutions and magma across various geological time scales.
Uses & applications
Widely used in electronics, glassmaking, precision instruments, and ornamental jewelry.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and six-sided crystal terminations when well-formed.