meteorite
Iron Meteorite
Iron-Nickel Meteorite (Siderite)
High density, metallic luster when cut, strongly magnetic. Surface features regmaglypts (thumbprint-like indentations) and a dark fusion crust. Hardness: 4-5 Mohs. Composition: Iron and Nickel.
- Hardness
- 4-5 Mohs
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Physical properties
High density, metallic luster when cut, strongly magnetic. Surface features regmaglypts (thumbprint-like indentations) and a dark fusion crust. Hardness: 4-5 Mohs. Composition: Iron and Nickel.
Formation & geological history
Remnants of the molten metallic cores of planetesimals that shattered during the early formation of the solar system, approximately 4.5 billion years ago.
Uses & applications
Scientific research into planetary formation, high-end collector specimens, and decorative jewelry or watch faces using etched Widmanstatten patterns.
Geological facts
Iron meteorites are much rarer to fall than stony meteorites but easier to find because they survive atmospheric entry better and are easily detected by magnets or metal detectors.
Field identification & locations
Identify by the presence of a fusion crust, high weight for its size (specific gravity), and magnetism. A definitive test involves etching a polished surface with acid to reveal Widmanstatten patterns.
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Anthropogenic (Man-made)
Chondrite Meteorite
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