
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically yellow to brown in color due to irradiation or impurities, vitreous luster, and hexagonal crystal system.
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Physical properties
Hardness of 7 on the Mohs scale, typically yellow to brown in color due to irradiation or impurities, vitreous luster, and hexagonal crystal system.
Formation & geological history
Forms in hydrothermal veins, pegmatites, and sedimentary environments through the crystallization of silica-rich solutions.
Uses & applications
Used widely in electronics, glassmaking, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust.
Field identification & locations
Identify by its lack of cleavage, conchoidal fracture, and inability to be scratched by steel.