mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to opaque with vitreous luster, and trigonal crystal system. It displays no cleavage and exhibits conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to opaque with vitreous luster, and trigonal crystal system. It displays no cleavage and exhibits conchoidal fracture.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich magma or precipitation from hydrothermal solutions.
Uses & applications
Widely 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 piezoelectric properties, making it useful in watches.
Field identification & locations
Easily identified by its hardness, lack of cleavage, and characteristic conchoidal fracture; found worldwide in almost all geological settings.
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