mineral
Quartz Pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white or translucent color, vitreous luster, hexagonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, typically white or translucent color, vitreous luster, hexagonal crystal system, and conchoidal fracture.
Formation & geological history
Formed through the crystallization of silica-rich solutions or magmas, often weathered from pegmatites or quartz veins and rounded by water transport.
Uses & applications
Used in glassmaking, electronics, abrasives, and as decorative gravel or gemstone material.
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; commonly found in riverbeds, beaches, and soils worldwide.
