sedimentary

Small iron-stained pebble

Likely iron-oxide-stained quartz-rich rock; exact identification is not possible from the image alone

AI-generated identification · may be incorrect

Small, irregular, brown and dull to slightly earthy; hardness and crystal structure cannot be determined visually. It may contain quartz (Mohs 7) with iron-oxide staining, but the image does not show diagnostic features.

Identified October 3, 2026More sedimentary →

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Physical properties

Formation & geological history

Could be a naturally weathered fragment with iron oxides coating or coloring its surface; age and formation environment cannot be established from appearance alone.

Uses & applications

No evident industrial or jewelry use; mainly of interest as a small collected pebble.

Geological facts

Brown coloration commonly results from iron oxides such as goethite or hematite, but color alone does not identify the rock.

Field identification & locations

Field identification would require examining a fresh surface, hardness, streak, and texture; its pictured size and shape provide few reliable clues. Similar pebbles occur widely in soils and stream deposits.