mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white or translucent, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, typically white or translucent, vitreous luster, hexagonal crystal system, conchoidal fracture, specific gravity of 2.65.
Formation & geological history
Formed in a wide variety of geological environments including igneous, metamorphic, and sedimentary rocks, often crystallizing from silica-rich hydrothermal veins and pegmatites.
Uses & applications
Used in glassmaking, electronics, oscillators, abrasives, gemstones, and ornamental objects.
Geological facts
Quartz is one of the most abundant and widely distributed minerals on Earth's continental crust, exhibiting numerous distinct varieties such as amethyst, citrine, and rose quartz.
Field identification & locations
Easily identified by its distinct hardness (scratches glass), lack of cleavage, and conchoidal fracture. Found worldwide in nearly every geological setting.
