
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and crystallizes in the trigonal system.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and crystallizes in the trigonal system.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the cooling of magma or precipitation from hydrothermal solutions.
Uses & applications
Used in electronics, oscillators, glassmaking, optics, and as a popular 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
Identified by its lack of cleavage, conchoidal fracture, and ability to scratch glass easily; found worldwide in virtually all geological settings.