
mineral
Clear Quartz
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, clear or white color, vitreous luster, hexagonal crystal structure.
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Physical properties
Hardness of 7 on the Mohs scale, clear or white color, vitreous luster, hexagonal crystal structure.
Formation & geological history
Forms in all temperature ranges in igneous, sedimentary, and metamorphic rocks, often precipitating from silica-rich hydrothermal solutions.
Uses & applications
Used in electronics, optics, glassmaking, jewelry, and metaphysical practices.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its hardness, conchoidal fracture, and hexagonal crystal form, common worldwide.