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Telluric iron
Telluric iron, also called native iron, is iron that originated on Earth, and is found in a metallic form rather than as an ore. Telluric iron is extremely rare, with only one known major deposit in the world, located in Greenland.
==Material properties==
Telluric iron resembles meteoric iron, in that it contains both a significant amount of nickel and Widmanstatten structures. However, telluric iron typically contains only around 3% nickel, which is too low for meteorites. There are two types of telluric iron. Both type 1 and type 2 contain comparable amounts of nickel and other impurities. The main difference between the two is the carbon content.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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