mineral
Quartz Vein Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to pale yellow color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, white to pale yellow color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture.
Formation & geological history
Formed via hydrothermal precipitation where silica-rich fluids crystallized inside fractures of older host rocks.
Uses & applications
Used in glassmaking, abrasives, electronic oscillators, and as a decorative stone.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and frequently occurs as distinct veins.
Field identification & locations
Easily identified by its high hardness and lack of cleavage, commonly found in riverbeds and eroded outcrops worldwide.
