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Pebble look-alikes

Sedimentary rock (likely sandstone or conglomerate fragment)

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Several rocks and minerals can be confused with 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

Granule

Granule (geological classification)

Also known as: Small clast

Cobble

Cobble (geological classification)

Also known as: Large clast

Boulder

Boulder (geological classification)

Also known as: Very large clast

Conglomerate

Conglomerate

Also known as: Puddingstone (for some varieties)

Breccia

Breccia

Also known as: Angular conglomerate

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