mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white, clear, or tan with a vitreous luster and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, typically white, clear, or tan with a vitreous luster and conchoidal fracture.
Formation & geological history
Formed via weathering and mechanical erosion of quartz-bearing parent rocks, often transported and rounded in river or beach environments.
Uses & applications
Used in landscaping, decorative gravel, abrasive manufacture, and glassmaking.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust, highly resistant to chemical weathering.
Field identification & locations
Identified by its high hardness (scratches glass) and lack of cleavage; found globally in stream beds, gravel deposits, and soils.
