
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and forms in the trigonal crystal system with distinct hexagonal prisms.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and forms in the trigonal crystal system with distinct hexagonal prisms.
Formation & geological history
Forms from hydrothermal solutions in pegmatites, veins, and cavities across various geological ages.
Uses & applications
Used in electronics, oscillators, timekeeping devices, 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 crystal shape, lack of cleavage, and ability to scratch glass easily; found worldwide.