Description
Nickel Iron Meteorite – Campo del Cielo, Argentina
This genuine Nickel Iron Meteorite originates from the famous Campo del Cielo strewn field in Argentina and is estimated to have fallen to Earth approximately 4,000–6,000 years ago. The photograph shows the exact specimen you will receive. Please refer to the listing images for full sizing and scale details.
Each meteorite includes a Certificate of Authenticity lifetime guarantee generic card, confirming it as a genuine extraterrestrial specimen.
Meteorite Classification & Type
Campo del Cielo meteorites are classified as iron meteorites, specifically belonging to the coarse octahedrite class (IAB-MG group). Iron meteorites are composed primarily of metallic iron (Fe) and nickel (Ni), with minor trace elements such as cobalt, phosphorus and gallium.
The internal crystalline structure of iron meteorites forms over millions of years within the core of a differentiated parent asteroid. As molten metal cools extremely slowly in space, it develops interlocking nickel-iron crystal patterns known as Widmanstätten structures, visible when cut and etched. These patterns are a defining feature of octahedrite meteorites and cannot be replicated artificially.
Campo del Cielo specimens typically contain the minerals kamacite and taenite, which form the characteristic metallic crystalline structure. Some pieces may also include inclusions of troilite (iron sulfide) or graphite nodules, depending on the specific fragment.
Geological & Cosmic Origin
The Campo del Cielo meteorite fall occurred in what is now the Chaco Province of Argentina. The name translates to “Field of the Sky,” reflecting its celestial origin. Scientific studies suggest that a large meteoroid entered Earth’s atmosphere and fragmented upon impact, scattering numerous iron masses across a wide strewn field.
Radiocarbon dating of associated materials and historical accounts indicate the fall occurred between approximately 4,000 and 6,000 years ago. Indigenous peoples of the region were aware of the iron masses long before modern scientific documentation.
Iron meteorites like Campo del Cielo are believed to originate from the metallic cores of ancient asteroids that formed during the early history of the solar system over 4.5 billion years ago. Collisions in the asteroid belt exposed and fragmented these cores, eventually sending pieces toward Earth.
Physical Characteristics & Surface Features
This specimen displays classic iron meteorite traits, including:
- High-density metallic composition
- Natural regmaglypts (thumbprint-like surface indentations)
- Darkened fusion crust remnants or weathered patina
- Magnetic properties due to iron-nickel content
Regmaglypts form as the meteorite ablates during atmospheric entry, creating shallow depressions on its surface. Over time, terrestrial weathering can produce a dark brown to black oxidation layer, adding to its authentic appearance.
No artificial alterations have been made beyond careful cleaning where necessary to preserve the specimen.
Scientific & Collector Significance
Campo del Cielo is one of the most well-known and historically significant iron meteorite falls. It is highly sought after by collectors due to its:
- Recognised IAB-MG classification
- Distinct nickel-iron crystalline structure
- Documented fall history
- Association with one of the largest iron meteorite strewn fields on Earth
Iron meteorites provide valuable insight into planetary differentiation and the metallic cores of early solar system bodies. They are tangible fragments of asteroid interiors, offering a direct connection to planetary formation processes.
Authenticity & Assurance
- 100% genuine Nickel Iron Meteorite
- Campo del Cielo, Argentina
- Coarse octahedrite, IAB-MG iron meteorite group
- Estimated fall 4,000–6,000 years ago
- Carefully selected individual specimen
- Includes Certificate of Authenticity lifetime guarantee generic card
- The exact meteorite shown in the photographs is the one you will receive
This Campo del Cielo Nickel Iron Meteorite represents a remarkable piece of cosmic history, formed in the core of an ancient asteroid and delivered to Earth thousands of years ago, making it an exceptional addition to any meteorite or space collection.






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