mineral
Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white or transparent color, vitreous luster, trigonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, white or transparent color, vitreous luster, trigonal crystal system, and conchoidal fracture.
Formation & geological history
Formed through crystallization in igneous, metamorphic, and sedimentary environments, then rounded by water transport in rivers or beaches.
Uses & applications
Used in glassmaking, electronics, abrasives, and as decorative landscape stones or tumbled pocket stones.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and smooth waterworn shape in stream beds.
