
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, clear to milky-white or yellow color, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on Mohs scale, clear to milky-white or yellow color, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Formed from hydrothermal solutions or cooling magma in pegmatites, veins, and sedimentary environments over millions of years.
Uses & applications
Used in jewelry, decorative specimens, electronics, optics, and industrial abrasives.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its distinct hexagonal prisms, high hardness, and lack of cleavage; found globally.