mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, colorless to white, trigonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, colorless to white, trigonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Forms in a wide variety of geological environments, including igneous, metamorphic, and sedimentary rocks, often precipitating from hydrothermal solutions.
Uses & applications
Used extensively in electronics, glassmaking, abrasives, and as a semiprecious gemstone in 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, resistance to weathering, and lack of cleavage; found globally in nearly all rock types.
