mineral
Quartz Pebble
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to milky color, vitreous to greasy luster, conchoidal fracture, and specific gravity around 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, white to milky color, vitreous to greasy luster, conchoidal fracture, and specific gravity around 2.65.
Formation & geological history
Formed through hydrothermal processes or crystallization in igneous and metamorphic rocks, later weathered and rounded by water transport in sedimentary environments.
Uses & applications
Used in landscaping, decorative gravel, abrasive manufacture, and glass production.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Easily identified by its high hardness (scratches glass) and lack of cleavage; commonly found in riverbeds and beaches worldwide.
