mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, vitreous luster, conchoidal fracture, and typically clear, white, or yellowish-brown.
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Physical properties
Hardness of 7 on Mohs scale, vitreous luster, conchoidal fracture, and typically clear, white, or yellowish-brown.
Formation & geological history
Formed via the accumulation and rounding of weathered quartz grains in sedimentary environments or riverbeds.
Uses & applications
Used in landscaping, abrasive manufacturing, glass production, and as common mineral specimens for beginner collectors.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust, highly resistant to chemical and mechanical weathering.
Field identification & locations
Identify by its high hardness (scratches glass), lack of cleavage, and rounded pebble shape found in streams and gravel bars.
