mineral
Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white or colorless, vitreous luster, hexagonal crystal system, and exhibits conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, typically white or colorless, vitreous luster, hexagonal crystal system, and exhibits conchoidal fracture.
Formation & geological history
Formed through the crystallization of silica-rich solutions or cooling magma, subsequently weathered and rounded by water transport over millions of years.
Uses & applications
Used in glassmaking, electronics, abrasives, and as decorative landscape gravel or polished lapidary stones.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and possesses piezoelectric properties.
Field identification & locations
Easily identified by its high hardness which scratches glass and its lack of cleavage. Common globally in riverbeds and beaches.
