mineral

Iron Meteorite

Iron-Nickel Alloy (Kamacite and Taenite)

Hardness: 4-5.5 (Mohs scale), Color: Dark grey to black (weathered) or silver (internal), Luster: Metallic (when cut), Crystal structure: Isometric, Specific gravity: 7-8

Hardness: 4-5

Identified June 20, 2026More mineral →

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Physical properties

Hardness: 4-5.5 (Mohs scale), Color: Dark grey to black (weathered) or silver (internal), Luster: Metallic (when cut), Crystal structure: Isometric, Specific gravity: 7-8

Formation & geological history

Formed in the molten cores of asteroids or planetary bodies at the beginning of the solar system (approx. 4.5 billion years ago). They are remnants of planetary differentiation.

Uses & applications

Predominantly used for scientific research, specialized jewelry (Widmanstätten pattern watches or rings), and high-value mineral collecting.

Geological facts

Iron meteorites comprise only about 5% of observed falls but are much easier to find on Earth because they survive atmospheric entry better than stony meteorites.

Field identification & locations

Identify in the field by high density (very heavy for size), magnetism, and the presence of a fusion crust or regmaglypts (thumbprint-like indentations).

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sedimentary

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Nephrite Jade

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Mineral/Rock

Banded Gneiss (River Rock/Pebble)

Gneiss (specifically a banded variety often found as a river rock)

Metamorphic Rock

Green Apatite on Albite

Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]

mineral