mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with clear to varied coloration.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with clear to varied coloration.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich fluids at various temperatures.
Uses & applications
Widely used in electronics, glassmaking, oscillators, abrasive materials, and as a popular gemstone or specimen for collectors.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties used in timekeeping.
Field identification & locations
Easily identified by its high hardness, lack of cleavage, and distinct crystal habit; found worldwide in virtually all geological settings.
