mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent white color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to translucent white color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Formed through crystallization in igneous, metamorphic, and sedimentary environments, often weathered out and rounded by water transport in rivers or beaches.
Uses & applications
Used in glassmaking, electronics, abrasives, gemstones, and decorative landscaping.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and resistance to chemical weathering; commonly found worldwide in gravel bars and shorelines.
