mineral
Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white or translucent color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white or translucent color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Formed through the weathering and prolonged water transport of parent rocks containing quartz, smoothing sharp edges into a rounded pebble.
Uses & applications
Used in landscaping, decorative gravel, abrasive manufacturing, and lapidary arts.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and is exceptionally resistant to weathering.
Field identification & locations
Identify by its hardness (scratches glass) and smooth, water-worn shape found abundantly in riverbeds and beaches.
