Rock Identifier
Iron meteorite candidate (Fe–Ni metallic meteorite, possibly an iron meteorite fragment) — meteorite
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Iron meteorite candidate

Fe–Ni metallic meteorite, possibly an iron meteorite fragment

AI-generated identification · may be incorrect

Dark, rusty-black metallic surface with weathering and possible fusion crust; likely dense, magnetic, and opaque. Iron meteorites are mainly kamacite and taenite, hardness about 4–5 Mohs, with metallic luster and cubic iron–nickel crystal structure.

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Physical properties

Dark, rusty-black metallic surface with weathering and possible fusion crust; likely dense, magnetic, and opaque. Iron meteorites are mainly kamacite and taenite, hardness about 4–5 Mohs, with metallic luster and cubic iron–nickel crystal structure.

Formation & geological history

Formed from the metallic core of a differentiated asteroid over 4.5 billion years ago, then ejected by impacts and melted during atmospheric entry. The image alone cannot confirm extraterrestrial origin; terrestrial iron slag or rusted metal are plausible alternatives.

Uses & applications

Authentic meteorites are scientific and collectible specimens; cut and etched irons may show Widmanstätten patterns. Estimated value is roughly $1–$10 per gram for common verified irons, substantially more for rare types.

Geological facts

Potential indicators include unusually high density, strong magnetism, and a thin fusion crust; many terrestrial objects mimic these features. A nickel test, density measurement, and laboratory classification are needed for authentication.

Field identification & locations

Common finds include meteorite strewn fields in deserts and Antarctica. Do not polish or acid-etch it before testing; a recognized meteorite laboratory or university geology department can verify it.