sedimentary

Small rounded pebble or stone

Unidentified lithic pebble; composition cannot be determined from the photograph

AI-generated identification · may be incorrect

Tan-gray, rounded, dull surface with a small dark pit or inclusion. Hardness, mineral composition, and crystal structure are not identifiable from the image.

Identified October 9, 2026More sedimentary →

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Physical properties

Tan-gray, rounded, dull surface with a small dark pit or inclusion. Hardness, mineral composition, and crystal structure are not identifiable from the image.

Formation & geological history

Likely a naturally weathered and water- or abrasion-rounded fragment; its rock type and geological age cannot be established visually.

Uses & applications

No specific industrial or jewelry use can be identified; it may be a common decorative or collected pebble.

Geological facts

The apparent roundness and worn surface are consistent with prolonged abrasion, though the photo does not reveal its original source.

Field identification & locations

A close-up of a fresh break, hardness testing, and examination of grain size or fizz in dilute acid would help identify it. Similar pebbles occur in river, beach, and glacial deposits.