mineral
Quartz pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, trigonal crystal system, and lack of cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, trigonal crystal system, and lack of cleavage.
Formation & geological history
Formed through the weathering and prolonged aqueous transportation of parent quartz veins or igneous rocks.
Uses & applications
Commonly used in landscaping, decorative gravel, tumbling, and as aggregate in construction.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and is exceptionally resistant to weathering.
Field identification & locations
Easily identified by its high hardness (scratches glass) and smooth, water-worn shape found in riverbeds and beaches.
