
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, transparent to translucent, and conchoidal fracture without distinct cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, transparent to translucent, and conchoidal fracture without distinct cleavage.
Formation & geological history
Forms in a wide variety of geological environments including igneous, metamorphic, and sedimentary rocks from silica-rich solutions.
Uses & applications
Used extensively in electronics, glassmaking, precision instruments, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Easily identified by its high hardness, inability to be scratched by steel, and characteristic conchoidal fracture.