mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white or colorless, vitreous luster, conchoidal fracture. This specimen is translucent to opaque and has some yellow/iron staining.
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Physical properties
Hardness of 7 on the Mohs scale, typically white or colorless, vitreous luster, conchoidal fracture. This specimen is translucent to opaque and has some yellow/iron staining.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary rocks. Pebbles like this are formed through weathering and rounding by water transport in rivers or oceans.
Uses & applications
Common quartz is used in glassmaking, abrasives, and as a raw material for silicon. Polished pebbles may be collected or used decoratively.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust.
Field identification & locations
Identified by its hardness (scratches glass), lack of cleavage, and typical translucent white appearance. Commonly found worldwide in riverbeds and on beaches.
