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・ Taeniophyllum
・ Taeniopoda eques
・ Taeniopsetta
・ Taeniopterygidae
・ Taeniopyga
・ Taeniopygia
・ Taeniorhachis
・ Taeniorioxa
・ Taeniorrhiza
・ Taeniospora
・ Taeniostola
・ Taeniostolella celophora
・ Taeniotes
・ Taeniotes scalatus
・ Taeniotes subocellatus
Taenite
・ Taeniura
・ Taennchel
・ Taensa
・ Taensa language
・ Taenung International Shooting Range
・ Taeog
・ Taep'oong International Investment Group of Korea
・ Taeping
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・ Taepyeong Station
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Taenite : ウィキペディア英語版
Taenite

Taenite (Fe,Ni) is a mineral found naturally on Earth mostly in iron meteorites. It is an alloy of iron and nickel, with nickel proportions of 20% up to 65%.
The name is derived from the Greek ταινία for "band, ribbon". Taenite is a major constituent of iron meteorites. In octahedrites it is found in bands interleaving with kamacite forming Widmanstätten patterns, whereas in ataxites it is the dominant constituent. In octahedrites a fine intermixture with kamacite can occur, which is called plessite.
Taenite is one of four known Fe-Ni meteorite minerals: The others are kamacite, tetrataenite, and antitaenite.
==Properties==
It is opaque with a metallic grayish to white color. The structure is isometric-hexoctahedral. Its density is around 8 g/cm³ and hardness is 5 to 5.5 on the Mohs scale. Taenite is magnetic. The crystal lattice has the c≈a= 3.582ű0.002Å. The Strunz classification is I/A.08-20, while the Dana classification is 1.1.11.2 . It is a Hexoctahedral (cubic) in structure.

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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