mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent color, vitreous luster, trigonal crystal system, conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent color, vitreous luster, trigonal crystal system, conchoidal fracture.
Formation & geological history
Forms in hydrothermal veins, pegmatites, and as a primary constituent of igneous, metamorphic, and sedimentary rocks across various geological eras.
Uses & applications
Used in electronics, oscillators, glassmaking, abrasives, and as a popular gemstone and mineral specimen for collectors.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties, generating an electric charge under mechanical stress.
Field identification & locations
Identified by its high hardness, lack of cleavage, and distinct crystal form; found worldwide in virtually all geological environments.
