mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to translucent color, vitreous luster, trigonal crystal system, and lacks cleavage with conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, white to translucent color, vitreous luster, trigonal crystal system, and lacks cleavage with conchoidal fracture.
Formation & geological history
Formed via hydrothermal veins or crystallization in igneous and metamorphic rocks, later weathered and rounded in fluvial or marine environments.
Uses & applications
Used in glassmaking, abrasives, electronics, landscaping, and as a polished gemstone or pocket specimen.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and displays piezoelectric properties.
Field identification & locations
Easily identified by its high hardness (scratches glass) and lack of cleavage, commonly found in riverbeds and beaches worldwide.
