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 diverse geological environments including igneous, metamorphic, and sedimentary rocks over wide-ranging geologic timescales.
Uses & applications
Widely used in electronics, precision instruments, glassmaking, and gemstone jewelry.
Geological facts
Quartz is one of the most abundant and structurally varied minerals found in the Earth's continental crust.
Field identification & locations
Easily identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; found globally in veins, pegmatites, and sands.
