mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, white to pinkish color, vitreous luster, hexagonal crystal system, no cleavage, specific gravity of 2.65.
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Physical properties
Mohs hardness of 7, white to pinkish color, vitreous luster, hexagonal crystal system, no cleavage, specific gravity of 2.65.
Formation & geological history
Formed through the accumulation and smoothing of quartz mineral grains in sedimentary environments or weathered out from igneous and metamorphic parent rocks over millions of years.
Uses & applications
Used in landscaping, decorative items, glassmaking, and gemstone collection.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness (scratches glass), conchoidal fracture, and lack of cleavage. Commonly found in riverbeds, beaches, and alluvial deposits worldwide.
