
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale; vitreous luster; transparent to translucent; trigonal crystal system; conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on Mohs scale; vitreous luster; transparent to translucent; trigonal crystal system; conchoidal fracture with no true cleavage.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich solutions or melts.
Uses & applications
Used in electronics, oscillators, glassmaking, abrasives, and ornamental jewelry.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, conchoidal fracture, and lack of cleavage. Found worldwide in nearly all geological settings.