Taenite
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Formula:
(Ni,Fe)
System:
Isometric
Colour:
Greyish white, ...
Lustre:
Metallic
Hardness:
5 - 5½
Name:
From the Greek "tainia" meaning "band."
Iron-Nickel Group.
Nickel-iron of meteorites with 25-40% nickel.
Also occurs terrestrially in serpentine bodies.
Compare also the other typical iron meteorite component kamacite.
Nickel-iron of meteorites with 25-40% nickel.
Also occurs terrestrially in serpentine bodies.
Compare also the other typical iron meteorite component kamacite.
Classification of Taenite
Approved, 'Grandfathered' (first described prior to 1959)
1/A.08-20
1.AE.10
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
E : Iron-chromium family
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
E : Iron-chromium family
Dana 7th ed.:
1.1.17.4
1.1.11.2
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.63
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
Physical Properties of Taenite
Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Greyish white, silver-white
Streak:
Light grey
Hardness (Mohs):
5 - 5½
Optical Data of Taenite
Type:
Isotropic
Chemical Properties of Taenite
IMA Formula:
(Ni,Fe)
Elements listed in formula:
Common Impurities:
Co,Cu,P,S,C
Crystallography of Taenite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Cell Parameters:
a = 7.146 Å
Unit Cell Volume:
V 364.91 ų (Calculated from Unit Cell)
Type Occurrence of Taenite
Relationship of Taenite to other Species
| 1.AE. | Vanadium | V |
| 1.AE.05 | Molybdenum | Mo |
| 1.AE.05 | Chromium | Cr |
| 1.AE.05 | Iron | Fe |
| 1.AE.05 | Kamacite | (Fe,Ni) |
| 1.AE.05 | Tungsten | W |
| 1.AE.05 | UM2001-06-E:CrFeNi | Fe7Cr2Ni |
| 1.AE.10 | Tetrataenite | FeNi |
| 1.AE.10 | Antitaenite | Fe3Ni |
| 1.AE.15 | Chromferide | Fe1.5Cr0.2 |
| 1.AE.15 | Ferchromide | Cr1.5Fe0.2 |
| 1.AE.15 | Wairauite | CoFe |
| 1.AE.20 | Awaruite | Ni3Fe |
| 1.AE.25 | Jedwabite | Fe7Ta3 |
| 1.AE.30 | Manganese | Mn |
| 1.1.17.1 | Iron | Fe |
| 1.1.17.2 | Nickel | Ni |
| 1.1.17.3 | Kamacite | (Fe,Ni) |
| 1.1.17.5 | Tetrataenite | FeNi |
| 1.1.17.6 | Awaruite | Ni3Fe |
| 1.1.17.6 | Hexaferrum | (Fe,Os,Ru,Ir) |
Other Names for Taenite
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Taenite
Reference List:
American Mineralogist (1966) 51: 37.
Geochemica et Cosmochimica Acta: 29: 535-549.
Nature: 273: 453-454.
Zeitschrift für Kristallographie (1995): 210: 14.
Geochemica et Cosmochimica Acta: 29: 535-549.
Nature: 273: 453-454.
Zeitschrift für Kristallographie (1995): 210: 14.
Internet Links for Taenite
mindat.org URL:
https://www.mindat.org/min-3868.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
Mineral Dealers:
Nandan meteorite, Lihu - Yaochai area, Nandan Co., Hechi Prefecture, Guangxi Zhuang Autonomous Region, China