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Kamacite
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Kamacite is an alloy of iron and nickel, which is found on Earth only in meteorites. According to the International Mineralogical Association it is considered a proper nickel-rich variety of the miner
Widmanstätten pattern showing the two forms of nickel-iron minerals, kamacite and taenite
Widmanstätten pattern showing the two forms of nickel-iron minerals, kamacite and taenite
Kamacite and taenite after taenite, exhibiting the octahedral structure of taenite, Nantan (Nandan) iron meteorite, Nandan County, Guangxi Zhuang Auto
Kamacite and taenite after taenite, exhibiting the octahedral structure of taenite, Nantan (Nandan) iron meteorite, Nandan County, Guangxi Zhuang Autonomous Region, China. Size: 4.8×3.0×2.8 cm. The Nantan irons, a witnessed fall in 1516, have a composition of 92.35% iron and 6.96% nickel.
Neumann lines
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Neumann lines, or Neumann bands, are fine patterns of parallel lines seen in cross-sections of many hexahedrite iron meteorites in the kamacite phase, although they may appear also in octahedrites pro
Neumann lines[clarification needed] in an iron meteorite
Neumann lines[clarification needed] in an iron meteorite
Iron meteorite showing relatively homegenous crystal formation with hexadedrite lamellae line, 1901
Iron meteorite showing relatively homegenous crystal formation with hexadedrite lamellae line, 1901