mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, clear to white or colored varieties, vitreous luster, hexagonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, clear to white or colored varieties, vitreous luster, hexagonal crystal system, and conchoidal fracture.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich hydrothermal solutions or magmas.
Uses & applications
Widely used in electronics, glassmaking, abrasives, and as a popular gemstone or mineral specimen for collectors.
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 distinct crystal habit, lack of cleavage, and high hardness that scratches glass; found globally.
