
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 no cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with vitreous luster, hexagonal crystal system, and no cleavage.
Formation & geological history
Forms from hydrothermal solutions or cooling magma in various geological environments worldwide.
Uses & applications
Used in electronics, oscillators, glassware, and as a popular gemstone and metaphysical specimen.
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 crystal shape, high hardness, and inability to be scratched by a steel knife.
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Sandstone (with potential mineral staining/concretions)
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Tumbled granite
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