
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with vitreous luster, hexagonal 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 and magmas.
Uses & applications
Widely used in electronics, glassmaking, precision instruments, and gemstone carving.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Easily identified by its high hardness, conchoidal fracture, and lack of cleavage; found globally in nearly all geological settings.