sedimentary
Unidentified Pebble
Lithic fragment
AI-generated identification · may be incorrectHardness varies around 6-7 on the Mohs scale, earthy gray to brown color, dull luster.
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Physical properties
Hardness varies around 6-7 on the Mohs scale, earthy gray to brown color, dull luster.
Formation & geological history
Formed through the mechanical weathering and erosion of larger parent rock formations over geological timescales.
Uses & applications
Used primarily in landscaping, construction aggregate, and as a common specimen for amateur rock collectors.
Geological facts
Pebbles are classified by their grain size according to the Udden-Wentworth scale, typically ranging from 4 to 64 millimeters.
Field identification & locations
Found widely in riverbeds, beaches, and glacial till deposits; identify by rounded edges caused by water transport.
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