mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and typically colorless or white when pure.
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 typically colorless or white when pure.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the cooling of silica-rich fluids or magma.
Uses & applications
Widely used in electronics, glassmaking, construction materials, and as a gemstone or ornamental carving stone.
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 distinct hexagonal crystal prisms, lack of cleavage, and ability to scratch glass.
