River-worn pebble look-alikes
Sedimentary rock (likely chert or basalt)
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Open the appSeveral rocks and minerals can be confused with River-worn pebble. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.
Similar rocks to compare
Beach pebble
Varies depending on parent rock
Also known as: Marine clast
Glacial till
Varies depending on parent rock
Also known as: Boulder clay
Angular gravel
Varies depending on parent rock
Also known as: Crushed stone
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