mineral
Quartz Vein Rock
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to clear color, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white to clear color, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Formed through the precipitation of silica-rich hydrothermal fluids circulating through fractures in the Earth's crust.
Uses & applications
Used in glassmaking, electronics, industrial abrasives, and as ornamental decorative landscape stones.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties, generating an electric charge under mechanical stress.
Field identification & locations
Easily identified in the field by its high hardness (scratches glass), lack of cleavage, and glassy appearance; commonly found worldwide in hydrothermal veins and pegmatites.
