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