Iron-Nickel Meteorite

Physical Properties

Hardness: 4-5 Mohs. Color: Silver-grey to brownish-black. Luster: Metallic. Structure: Octahedrite or Hexahedrite. Specific Gravity: 7.0-8.0. Naturally magnetic.

Formation & Geological History

Formed from the molten cores of planetary embryos or asteroids in the early solar system (~4.5 billion years ago). Crystallized slowly over millions of years.

Uses & Applications

Used for scientific research, high-end jewelry (meteorite rings/watches), and as a prestigious collector's item.

Geological Facts

Many iron meteorites show 'Widmanstätten patterns' when etched with acid, which are long nickel-iron crystals that can only form in space due to extremely slow cooling.

Field Identification & Locations

Identify by high density (heavy for its size), strong magnetism, and a 'regmaglypts' surface (thumbprint-like indentations). Found in arid deserts or Antarctic ice fields most frequently.

Identified on: 4/12/2026

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