
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with vitreous luster, hexagonal crystal system, and lacks cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with vitreous luster, hexagonal crystal system, and lacks cleavage.
Formation & geological history
Forms from hydrothermal solutions and cooling magma in diverse geological environments worldwide.
Uses & applications
Used in electronics, oscillators, glassware, and as a popular gemstone and mineral specimen for collectors.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified by its distinct hexagonal prism habit, striations on crystal faces, and high hardness that scratches glass.