sedimentary

Small rounded pebble

Unidentified lithic pebble; composition cannot be determined from the image

AI-generated identification · may be incorrect

Small, rounded, dull gray-green pebble with a pale patch; grain size and crystal structure are not discernible. Hardness, cleavage, and specific gravity cannot be reliably assessed visually.

Identified October 11, 2026More sedimentary →

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Physical properties

Small, rounded, dull gray-green pebble with a pale patch; grain size and crystal structure are not discernible. Hardness, cleavage, and specific gravity cannot be reliably assessed visually.

Formation & geological history

Likely a naturally weathered rock fragment rounded by water or sediment movement; its geological age and original rock type are undetermined.

Uses & applications

No evident commercial use; mainly suitable as a curiosity or small collection specimen.

Geological facts

The smooth, rounded shape suggests abrasion during transport, but the photograph does not reveal enough detail to identify its mineral composition.

Field identification & locations

Examine a fresh surface and test hardness, streak, and reaction to dilute acid to narrow down its identity; many rock types can look similar at this scale.