mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and no cleavage. Color ranges from clear to milky white, often stained brown or yellow by iron oxides.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and no cleavage. Color ranges from clear to milky white, often stained brown or yellow by iron oxides.
Formation & geological history
Formed via crystallization in igneous, metamorphic, and sedimentary environments, often rounded into pebbles through mechanical weathering and aqueous transport in rivers or beaches.
Uses & applications
Used in glassmaking, electronics, abrasives, and as a decorative landscape or collector specimen.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust, highly resistant to both chemical and mechanical weathering.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and conchoidal fracture. Found worldwide in nearly all geological settings.
