mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to clear color, vitreous luster, trigonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, white to clear color, vitreous luster, trigonal crystal system, and conchoidal fracture.
Formation & geological history
Formed through crystallization from silica-rich hydrothermal solutions or cooling magma, subsequently weathered and water-worn into a pebble.
Uses & applications
Used in glassmaking, electronics, abrasives, and as decorative landscape stone.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and resistance to chemical weathering, commonly found in riverbeds and beaches.
