mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the cooling of silica-rich solutions or magma over geological timescales.
Uses & applications
Widely used in electronics, oscillators, glassmaking, abrasive grit, and as a popular gemstone or mineral specimen for collectors.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties, generating an electric charge under mechanical stress.
Field identification & locations
Easily identified by its distinct hexagonal prism habit, lack of cleavage, and high hardness capable of scratching glass; found worldwide in almost all rock types.
