
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and a trigonal crystal system.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, and a trigonal crystal system.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the cooling of magma or precipitation from silica-rich hydrothermal solutions.
Uses & applications
Used in electronics, glassmaking, precision instruments, and as a popular gemstone or crystal specimen for collectors.
Geological facts
Quartz is one of the most abundant and widely distributed minerals found on Earth's continental crust.
Field identification & locations
Easily identified by its distinct conchoidal fracture and high hardness that scratches glass; found globally in nearly all geological settings.