mineral
Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white or translucent, vitreous luster, conchoidal fracture, trigonal crystal system.
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Physical properties
Hardness of 7 on the Mohs scale, typically white or translucent, vitreous luster, conchoidal fracture, trigonal crystal system.
Formation & geological history
Formed through the mechanical weathering and water tumbling of quartz veins or larger rocks over long periods.
Uses & applications
Used in landscaping, decorative gravel, and lapidary work.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust, surviving weathering that destroys other minerals.
Field identification & locations
Found worldwide in riverbeds, beaches, and glacial tills; identified by its high hardness and lack of cleavage.
