Rock Identifier
Quartz Pebble (Silicon Dioxide (SiO2)) — mineral
mineral

Quartz Pebble

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, conchoidal fracture, and hexagonal crystal system.

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Physical properties

Hardness of 7 on the Mohs scale, transparent to translucent with a vitreous luster, conchoidal fracture, and hexagonal crystal system.

Formation & geological history

Formed through the crystallization of silica-rich solutions or cooling magmas, often weathered from pegmatites or hydrothermal veins into durable pebbles.

Uses & applications

Used in glassmaking, electronics, abrasives, and as decorative landscape or tumbling stones.

Geological facts

Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties, generating an electric charge under mechanical stress.

Field identification & locations

Easily identified by its inability to be scratched by steel and its distinct conchoidal fracture; commonly found in riverbeds, beaches, and sedimentary deposits worldwide.