Rock Identifier
Possible iron-rich meteorite or hematite-rich terrestrial stone (Unconfirmed; candidates include iron meteorite (Fe–Ni alloy) or hematite/magnetite (Fe₂O₃/Fe₃O₄)) — meteorite
meteorite

Possible iron-rich meteorite or hematite-rich terrestrial stone

Unconfirmed; candidates include iron meteorite (Fe–Ni alloy) or hematite/magnetite (Fe₂O₃/Fe₃O₄)

AI-generated identification · may be incorrect

Dark gray-black, smooth and weakly metallic-looking with rounded edges; apparent hardness about 5–6, but the photograph cannot establish composition, magnetism, density, or crystal structure. A genuine iron meteorite commonly has high specific gravity (~7–8), strong magnetism, and a nickel-iron composition.

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Physical properties

Dark gray-black, smooth and weakly metallic-looking with rounded edges; apparent hardness about 5–6, but the photograph cannot establish composition, magnetism, density, or crystal structure. A genuine iron meteorite commonly has high specific gravity (~7–8), strong magnetism, and a nickel-iron composition.

Formation & geological history

If meteoritic, it formed in a differentiated asteroid and may be billions of years old; its rounded surface could reflect atmospheric ablation and terrestrial weathering. If terrestrial, it may be weathered ironstone, hematite, magnetite, or industrial slag.

Uses & applications

Iron meteorites are mainly collectible; hematite and magnetite are iron ores, while slag has industrial origin but little geological value.

Geological facts

The surface does not clearly show diagnostic regmaglypts or a fusion crust, so visual identification is unreliable. A streak test, magnet test, specific-gravity measurement, and laboratory nickel analysis are needed.

Field identification & locations

Check for strong magnetism, an unglazed reddish-brown/gray streak, unusually high density, and a thin polished window; avoid destructive testing until examined by a meteorite specialist. Common meteorite finds occur in deserts and Antarctica.