
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, transparent to translucent with a vitreous luster, lacks cleavage, and exhibits conchoidal fracture.
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Physical properties
Hardness of 7 on Mohs scale, transparent to translucent with a vitreous luster, lacks cleavage, and exhibits conchoidal fracture.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich fluids and melts.
Uses & applications
Used extensively in glassmaking, electronics, oscillators, abrasives, and as gemstone jewelry.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and displays piezoelectric properties.
Field identification & locations
Identified easily by its high hardness (scratches glass) and conchoidal fracture; found worldwide in veins and pegmatites.