mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with no true cleavage.
Formation & geological history
Forms primarily from silica-rich hydrothermal veins, pegmatites, and cooling magma across various geological eras.
Uses & applications
Used extensively in electronics, glassmaking, precision instruments, and gemstone jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified by its high hardness (scratches glass) and conchoidal fracture; found worldwide in virtually all rock types.
