
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, colorless or white, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.
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Physical properties
Mohs hardness of 7, colorless or white, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments from silica-rich hydrothermal solutions.
Uses & applications
Widely used in electronics, oscillator clocks, glassmaking, and gemstone jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and distinct crystal habit; found worldwide.