sedimentary

Weathered brown stone, likely sandstone or iron-stained granite

Indeterminate; possible quartz-rich sandstone (quartz, feldspar, iron oxides)

AI-generated identification · may be incorrect

Brown, mottled, dull to weakly earthy luster, with no visible crystals or cleavage at this resolution. Likely hardness about 6–7 if sandstone is quartz-rich; texture and grain size are unclear.

Identified August 13, 2026More sedimentary →

Explore Weathered brown stone, likely sandstone or iron-stained granite in the encyclopedia →

Identify your own rocks.

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

App Store Google Play

Physical properties

Brown, mottled, dull to weakly earthy luster, with no visible crystals or cleavage at this resolution. Likely hardness about 6–7 if sandstone is quartz-rich; texture and grain size are unclear.

Formation & geological history

Could represent lithified sand cemented by silica or iron oxides, or alternatively weathered granite; age and formation environment cannot be determined from the image. The rusty-brown coloration commonly reflects oxidation of iron-bearing minerals.

Uses & applications

Ordinary material may be used as landscaping stone, aggregate, or building stone; it has little jewelry value unless it displays unusual patterns or fossil content.

Geological facts

The image is too blurred and closely cropped for a definitive identification. A fresh broken surface, hand lens, streak test, and acid test would substantially improve confidence.

Field identification & locations

Look for visible sand grains and bedding for sandstone, versus interlocking quartz and feldspar crystals for granite; a steel nail should not easily scratch quartz-rich material. Common counterparts occur worldwide, especially in sedimentary basins and weathered continental crust.