
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, vitreous luster, colorless to various shades of white or yellow, hexagonal crystal system, conchoidal fracture.
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Physical properties
Mohs hardness of 7, vitreous luster, colorless to various shades of white or yellow, hexagonal crystal system, conchoidal fracture.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich fluids and melts.
Uses & applications
Widely used in electronics, glassmaking, oscillators, abrasive materials, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its high hardness, conchoidal fracture, and lack of cleavage; found globally in veins, pegmatites, and sands.