mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, translucent to opaque white color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on Mohs scale, translucent to opaque white color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Formed via the weathering and aqueous transport of quartz veins or granitic rocks over millions of years.
Uses & applications
Used in aggregate, glassmaking, silica production, and decorative landscaping.
Geological facts
Quartz is one of the most abundant and chemically resistant minerals in Earth's continental crust.
Field identification & locations
Identify by its high hardness (scratches glass) and smooth, water-worn shape found in riverbeds and beaches.
