Rock Identifier
Likely metallic meteorite fragment (Undetermined iron meteorite, possibly an iron–nickel alloy (kamacite/taenite)) — meteorite
meteorite

Likely metallic meteorite fragment

Undetermined iron meteorite, possibly an iron–nickel alloy (kamacite/taenite)

AI-generated identification · may be incorrect

Small, irregular gray-silver fragment with metallic luster and apparent pitted or textured surface; hardness roughly 4–5.5 Mohs, opaque, dense, and weakly magnetic if iron-rich. Identification cannot be confirmed from the photograph alone.

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Physical properties

Small, irregular gray-silver fragment with metallic luster and apparent pitted or textured surface; hardness roughly 4–5.5 Mohs, opaque, dense, and weakly magnetic if iron-rich. Identification cannot be confirmed from the photograph alone.

Formation & geological history

If genuine, it formed in an asteroid’s metallic core and crystallized billions of years ago before impact delivery to Earth. Terrestrial alternatives include metallic slag, galena, or weathered industrial metal.

Uses & applications

Meteorites are primarily collector specimens and scientific samples; iron meteorites may be cut, etched, and polished to reveal Widmanstätten patterns. Common metallic slag has little commercial value.

Geological facts

Useful tests include strong magnetism, unusually high density, a streak test, and examination of a polished/etched surface; meteorites generally lack vesicles and do not leave a red or black powdery streak.

Field identification & locations

Finds are commonly recovered from deserts, Antarctica, and dry plains, where dark metallic fragments contrast with soil. Confirm with laboratory nickel analysis and petrographic testing before calling it a meteorite.