
mineral
Quartz
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, transparent to translucent, and trigonal crystal system with no distinct cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, transparent to translucent, and trigonal crystal system with no distinct cleavage.
Formation & geological history
Forms in wide varieties of igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich fluids.
Uses & applications
Widely used in electronics, glassmaking, abrasive powders, gemstones, and ornamental carvings.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and conchoidal fracture; commonly found worldwide in pegmatites, veins, and quartzites.