mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and hexagonal crystal system. Typically colorless or white, but can vary widely due to impurities.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and hexagonal crystal system. Typically colorless or white, but can vary widely due to impurities.
Formation & geological history
Forms in a wide variety of geological environments, including igneous, metamorphic, and sedimentary rocks, often crystallizing from silica-rich hydrothermal veins and magma.
Uses & applications
Widely used in electronics, glassmaking, abrasives, and as a popular gemstone or mineral specimen for collectors.
Geological facts
Quartz is one of the most abundant and diverse minerals in Earth's continental crust. Its piezoelectric properties make it essential for accurate timekeeping in watches.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and distinct conchoidal fracture. Found worldwide in nearly every geological setting.
