mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and typically clear or white color with a hexagonal crystal system.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and typically clear or white color with a hexagonal crystal system.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich fluids and magma.
Uses & applications
Used widely in electronics, glassmaking, abrasives, and as a popular gemstone and mineral 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 distinct hexagonal crystal habit and inability to be scratched by a steel knife.
