
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with white to clear coloration.
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, conchoidal fracture, and trigonal crystal system with white to clear coloration.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich solutions and magmas.
Uses & applications
Used in electronics, glassmaking, abrasives, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Easily identified by its lack of cleavage, high hardness capable of scratching glass, and hexagonal crystal habit.