mineral

Likely iron-rich rock or meteorite fragment

Indeterminate; possible hematite-/magnetite-bearing material

AI-generated identification · may be incorrect

Dark reddish-brown, rough and weakly lustrous with granular texture; hardness likely about 5–6.5 Mohs if hematite- or magnetite-rich. The small, blocky piece shows no diagnostic crystal faces or fusion crust in this image.

Identified August 27, 2026More mineral →

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Physical properties

Formation & geological history

Could be a terrestrial iron oxide mineral specimen, weathered ore, or less likely a meteorite; formation age and process cannot be established visually. A magnet test, streak test, density measurement, and closer inspection are needed.

Uses & applications

Iron oxides are mined as iron ore, pigments, and sometimes lapidary specimens; this unverified fragment has little commercial value.

Geological facts

Hematite typically produces a red to reddish-brown streak, while magnetite produces a black streak and is strongly magnetic. Meteorites commonly show a thin dark fusion crust and unusually high density, neither clearly evident here.

Field identification & locations

Common possibilities occur in iron-ore regions worldwide, including Brazil, Australia, India, and the United States. Test streak on unglazed ceramic, magnetism, density, and fresh-cut interior before identifying it as a meteorite.