The difference between iron ore and iron meteorite
Release time:
2024-08-14
Iron ore: The nickel content is very small (usually ≤3%), and the main components are iron oxides such as hematite and magnetite, without extraterrestrial elements combinations.
The core difference between iron ore and iron meteorite lies in its composition, source and structural characteristics. Iron meteorites are metal meteorites from space, and their main components are iron-nickel alloys; while iron ore is native minerals on the earth, mainly iron oxides.
Specific differences analysis
Composition Differences
Iron meteorite: The nickel content is usually ≥6% (some types such as octahedral meteorite can reach 20%), and contains trace elements such as cobalt, sulfur, and phosphorus. Its mineral
combination includes special minerals such as iron-brownite, nickel-brownite, and meteorite.
Iron ore: The nickel content is very small (usually ≤3%), and the main components are iron oxides such as hematite and magnetite, without extraterrestrial elements combinations.
Physical Features
Surface features:
Iron meteorites have a melt shell (about 1mm thick oily layer), air prints (sinks similar to fingerprints), and melt flow lines.
Iron ore has no fusion crust and the surface is usually in the ore native rough or mineral crystalline form.
Internal structure:
After pickling of iron meteorites, the Weistaiden pattern (octahedral meteorite) or hexahedral joints (low nickel type) can be seen.
Iron ore is a single mineral or compound structure and there is no such crystal arrangement.
Magnetic Difference
Iron meteorites are highly magnetic (can adsorb small objects) due to high-purity iron-nickel alloys.
Iron ore has weak magnetic properties (except magnetite) and contains more impurities.
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