Rock Identifier
Probable metallic meteorite fragment (Unclassified iron meteorite candidate, chiefly kamacite (α-Fe–Ni alloy)) — meteorite
meteorite

Probable metallic meteorite fragment

Unclassified iron meteorite candidate, chiefly kamacite (α-Fe–Ni alloy)

AI-generated identification · may be incorrect

Small, rounded silver-gray metallic specimen with pits and a dull-to-metallic luster; likely dense and magnetic, with Mohs hardness about 4–5. The holes may be vesicles, corrosion pits, or manufacturing marks, so identification from the image is uncertain.

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Physical properties

Small, rounded silver-gray metallic specimen with pits and a dull-to-metallic luster; likely dense and magnetic, with Mohs hardness about 4–5. The holes may be vesicles, corrosion pits, or manufacturing marks, so identification from the image is uncertain.

Formation & geological history

If extraterrestrial, it formed in a differentiated asteroid’s metallic core and survived atmospheric entry; most iron meteorites crystallized billions of years ago. It could instead be industrial metal or lead, requiring testing.

Uses & applications

Meteorites are valued for scientific study and collecting; iron meteorites are cut, polished, and etched to reveal Widmanstätten patterns. Ordinary metal has mainly scrap or craft value.

Geological facts

A strong magnet, unusually high density, fusion crust, and etched crystalline pattern support meteorite identification; a streak test and laboratory nickel analysis are more diagnostic.

Field identification & locations

Common sources include meteorite fields in Antarctica, deserts, and established finds worldwide. Test magnetism, density, streak, and nickel content, and avoid filing valuable material without expert advice.

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