sedimentary

Weathered yellow-brown rock pebble

Undetermined; possibly iron-oxide-stained sandstone or mudstone

AI-generated identification · may be incorrect

Dull, ochre-yellow to brown, fine-grained and rounded, with a rough surface. Hardness, mineral composition, and crystal structure cannot be reliably determined from the photograph.

Identified October 4, 2026More sedimentary →

Explore Weathered yellow-brown rock pebble in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Dull, ochre-yellow to brown, fine-grained and rounded, with a rough surface. Hardness, mineral composition, and crystal structure cannot be reliably determined from the photograph.

Formation & geological history

Likely a sedimentary fragment rounded by weathering or transport and colored by iron oxides. Its age and precise formation environment are unknown.

Uses & applications

No clear industrial or jewelry use is identifiable; it may be kept as a decorative or educational specimen.

Geological facts

Iron oxides commonly produce yellow, ochre, and reddish-brown staining in rocks.

Field identification & locations

The rounded shape suggests abrasion, but distinguishing sandstone from mudstone or another rock requires close inspection and simple hardness or acid tests. No locality information is available.