sedimentary

Weathered rock fragment (possibly sandstone)

Indeterminate; likely iron-stained, quartz-rich sandstone

AI-generated identification · may be incorrect

Small, irregular tan-brown fragment with a dull, rough surface and no visible crystals; hardness and composition cannot be confirmed from the image. If sandstone, it is mainly quartz grains cemented together (quartz Mohs 7).

Identified October 8, 2026More sedimentary →

Explore Weathered rock fragment (possibly sandstone) in the encyclopedia →

Identify your own rocks.

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

App Store Google Play

Physical properties

Formation & geological history

Could have formed when sand was compacted and cemented, then weathered into a fragment; age and exact formation environment are not determinable visually.

Uses & applications

No clear commercial use at this size; it may be kept as a field or educational specimen.

Geological facts

Iron oxides commonly give weathered rocks yellow, ochre, or brown colors.

Field identification & locations

A close-up or fresh broken surface would help distinguish sandstone from other common rocks. Look for gritty texture and visible sand grains; its origin and location are unknown.