
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and white streak with no cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and white streak with no cleavage.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich solutions and magmas.
Uses & applications
Widely used in electronics, glassmaking, oscillators, and as a popular gemstone and ornamental specimen.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its conchoidal fracture, high hardness that scratches glass, and lack of cleavage; found globally.