sedimentary

Small rounded pebble (specific rock type indeterminate)

Unidentified lithic pebble; composition cannot be determined from the image

AI-generated identification · may be incorrect

Small, rounded, pale beige-gray, and apparently dull to weakly lustrous. Grain size, hardness, cleavage, crystal structure, and specific gravity are not discernible from this photograph.

Identified October 5, 2026More sedimentary →

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Physical properties

Small, rounded, pale beige-gray, and apparently dull to weakly lustrous. Grain size, hardness, cleavage, crystal structure, and specific gravity are not discernible from this photograph.

Formation & geological history

Likely a natural fragment rounded by transport in water or abrasion; its source rock, age, and exact formation history cannot be established visually.

Uses & applications

No evident commercial use; may be kept as a curiosity or collected as a beach or river pebble.

Geological facts

The smooth, rounded shape is consistent with abrasion during transport, but many rock types can weather into similar pebbles.

Field identification & locations

A close-up showing fresh surfaces and visible grains or crystals would help identify it; field tests such as hardness and streak can further narrow the possibilities. Similar pebbles occur on beaches, riverbeds, and gravel deposits worldwide.