mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and no cleavage with conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and no cleavage with conchoidal fracture.
Formation & geological history
Forms in a wide variety of temperature and pressure conditions in igneous, metamorphic, and sedimentary rocks.
Uses & applications
Used extensively in electronics, glassmaking, abrasives, and as a gemstone.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified by its high hardness, lack of cleavage, and characteristic hexagonal crystal habit when well-formed.
