
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with clear or milky coloration.
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Physical properties
Hardness of 7 on Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with clear or milky coloration.
Formation & geological history
Forms in virtually all geological environments, often crystallizing from hydrothermal veins or magma.
Uses & applications
Used widely in electronics, glassmaking, precision instruments, and gemstone jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its high hardness (scratches glass) and lack of cleavage; found globally in igneous, metamorphic, and sedimentary rocks.