
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, transparent to translucent, vitreous luster, conchoidal fracture, specific gravity of 2.65.
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Physical properties
Hardness of 7 on Mohs scale, transparent to translucent, vitreous luster, conchoidal fracture, specific gravity of 2.65.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through crystallization from silica-rich fluids and melts.
Uses & applications
Used in electronics, glassmaking, abrasives, 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 (scratches glass), lack of cleavage, and conchoidal fracture; found worldwide.