mineral
Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and typically colorless, white, or pale grey.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and typically colorless, white, or pale grey.
Formation & geological history
Formed through the accumulation and weathering of quartz grains in sedimentary environments or hydrothermal veins.
Uses & applications
Used in landscaping, decorative stone, glass manufacturing, and as a common tumbling specimen for lapidary work.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified by its high hardness (scratches glass), lack of cleavage, and smooth water-worn shape found in riverbeds and beaches.
