
mineral
White Quartz Pebbles
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white or translucent color, vitreous luster, trigonal crystal system, and conchoidal fracture with no cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white or translucent color, vitreous luster, trigonal crystal system, and conchoidal fracture with no cleavage.
Formation & geological history
Formed through hydrothermal processes or the weathering and water-transport of quartz-rich rocks over millions of years.
Uses & applications
Used extensively in landscaping, decorative ground cover, aquarium substrates, and the manufacturing of glass and electronics.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Easily identified by its high hardness which scratches glass, lack of cleavage, and smooth rounded shape from river tumbling. Found globally.