mineral

Iron Meteorite

Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)

Hardness: 4-5. Color: Dark brown to metallic silver-grey. Luster: Metallic. Crystal structure: Isometric (Octahedrite common). Cleavage: None. Specific Gravity: 7.0-8.0. Features thumbprint-like indentations (regmaglypts).

Hardness: 4-5
Color: Dark brown to metallic silver-grey
Luster: Metallic

Identified May 3, 2026More mineral →

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Physical properties

Formation & geological history

Formed in the cores of differentiated asteroids or planetary bodies from the early solar system approximately 4.5 billion years ago. They are found where they have fallen and survived atmospheric entry.

Uses & applications

Primarily used for scientific research into the early solar system, high-end jewelry (slices showing Widmansttten patterns), and as collectible museum-grade specimens.

Geological facts

This specimen shows prominent regmaglypts, which are ablation pits formed as the outer surface melts during its high-velocity flight through Earth's atmosphere.

Field identification & locations

Identify in the field by high density, magnetic properties, and the presence of a fusion crust or regmaglypts. Often found in arid deserts or Antarctic ice fields where erosion is minimal.

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