mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, yellowish-brown color from iron staining, vitreous luster, trigonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, yellowish-brown color from iron staining, vitreous luster, trigonal crystal system, and conchoidal fracture.
Formation & geological history
Formed through weathering and prolonged water transport of quartz veins or igneous rocks, smoothing the edges into a pebble.
Uses & applications
Used in landscaping, decorative gravel, and abrasive manufacturing.
Geological facts
Quartz is one of the most abundant minerals on Earth's continental crust and is exceptionally resistant to weathering.
Field identification & locations
Identified by its high hardness, lack of cleavage, and smooth water-worn shape found in riverbeds and beaches worldwide.
