mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity of 2.65.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through cooling magmas or precipitation from hydrothermal solutions over millions of years.
Uses & applications
Widely used in electronics, glassmaking, construction materials, and as a gemstone or decorative mineral specimen.
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
Identified by its high hardness, lack of cleavage, and distinct hexagonal crystal habit; found globally in almost all geological settings.
