mineral
Quartz Sand Grain
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, clear to translucent color, vitreous luster, hexagonal crystal system when fully formed, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, clear to translucent color, vitreous luster, hexagonal crystal system when fully formed, and conchoidal fracture.
Formation & geological history
Formed through the mechanical and chemical breakdown of preexisting rocks, commonly weathering out of granite or sandstone over millions of years.
Uses & applications
Used in glassmaking, construction aggregates, electronics, and abrasive materials.
Geological facts
Quartz is one of the most abundant and durable minerals in Earth's continental crust, surviving extensive transportation by wind and water.
Field identification & locations
Identified by its high hardness (scratches glass) and resistance to weathering; commonly found in beaches, deserts, and sedimentary basins worldwide.
