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Taenite

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Formula:
(Fe,Ni)
System:
Isometric
Colour:
Greyish white, ...
Hardness:
5 - 5½
Name:
From the Greek "tainia" meaning "band."
Iron-Nickel Group.

Nickel-iron of meteorites with 25-40 % nickel.
Also occurs in serpentine bodies.

Compare also the other typical iron meteorite component kamacite.

Classification of Taenite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
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
Dana 7th ed.:
1.1.17.4
1.1.11.2

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)
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http://www.mindat.org/min-3868.html
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Type Occurrence of Taenite

Year of Discovery:
1861

Physical Properties of Taenite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Greyish white, silver-white
Streak:
Light grey
Hardness (Mohs):
5 - 5½

Crystallography of Taenite

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Cell Parameters:
a = 7.146Å
Unit Cell Volume:
V 364.91 ų (Calculated from Unit Cell)

Optical Data of Taenite

Type:
Isotropic

Chemical Properties of Taenite

Formula:
(Fe,Ni)
Essential elements:
All elements listed in formula:
Common Impurities:
Co,Cu,P,S,C

Relationship of Taenite to other Species

1.AE.05MolybdenumMo
1.AE.05ChromiumCr
1.AE.05IronFe
1.AE.05Kamacite(Fe,Ni)
1.AE.05TungstenW
1.AE.05UM2001-06-E:CrFeNiFe7Cr2Ni
1.AE.10TetrataeniteFeNi
1.AE.10AntitaeniteFe3Ni
1.AE.15ChromferideFe3Cr1-x (x=0.6)
1.AE.15FerchromideCr3Fe1-x
1.AE.15WairauiteCoFe
1.AE.20AwaruiteNi3Fe
1.AE.25JedwabiteFe7(Ta,Nb)3
1.AE.30ManganeseMn
1.1CopperCu
1.2SilverAg
1.5GoldAu
1.6AuricuprideCu3Au
1.7Tetra-auricuprideAuCu
1.8ZincZn
1.9CadmiumCd
1.10DanbaiteCuZn2
1.11ZhanghengiteCuZn
1.12MercuryHg
1.13KolymiteCu7Hg6
1.14MoschellandsbergiteAg2Hg3
1.15EugeniteAg11Hg2
1.16SchachneriteAg1.1Hg0.9
1.17ParaschachneriteAg3Hg2
1.18LuanheiteAg3Hg
1.19Weishanite(Au,Ag)3Hg2
1.20IndiumIn
1.21AluminiumAl
1.22Khatyrkite(Cu,Zn)Al2
1.23Cupalite(Cu,Zn)Al
1.24DiamondC
1.25GraphiteC
1.26ChaoiteC
1.27LonsdaleiteC
1.28SiliconSi
1.29TinSn
1.30LeadPb
1.31AnyuiiteAu(Pb,Sb)2
1.31NovodnepriteAuPb3
1.32LeadamalgamPb0.7Hg0.3
1.33ArsenicAs
1.34ArsenolampriteAs
1.35PaxiteCuAs2
1.36KoutekiteCu5As2
1.37DomeykiteCu3As
1.38Algodonite(Cu1-xAsx)
1.39NovákiteCu20AgAs10
1.40KutinaiteAg6Cu14As7
1.41AntimonySb
1.42StibarsenAsSb
1.43ParadocrasiteSb3As
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)
1.46Allargentum(Ag1-xSbx)
1.47AurostibiteAuSb2
1.48DyscrasiteAg3Sb
1.49BismuthBi
1.50MaldoniteAu2Bi
1.51SulphurS8
1.52RosickýiteS
1.53SeleniumSe
1.54TelluriumTe
1.55ChromiumCr
1.56RheniumRe
1.57IronFe
1.58ChromferideFe3Cr1-x (x=0.6)
1.59FerchromideCr3Fe1-x
1.60WairauiteCoFe
1.61NickelNi
1.62Kamacite(Fe,Ni)
1.64TetrataeniteFeNi
1.65AwaruiteNi3Fe
1.66Palladium(Pd,Pt)
1.67PotaritePdHg
1.68PaolovitePd2Sn
1.69Stannopalladinite(Pd,Cu)3Sn2
1.70CabriitePd2CuSn
1.71Taimyrite-I(Pd,Cu,Pt)3Sn
1.72Atokite(Pd,Pt)3Sn
1.73Rustenburgite(Pt,Pd)3Sn
1.74Zvyagintsevite(Pd,Pt,Au)3(Pb,Sn)
1.75PlumbopalladinitePd3Pb2
1.76Osmium(Os,Ir,Ru)
1.77Iridium(Ir,Os,Ru)
1.82PlatinumPt
1.83HongshiitePtCu
1.84NiggliitePtSn
1.85IsoferroplatinumPt3Fe
1.86TetraferroplatinumPtFe
1.87TulameenitePt2CuFe
1.88FerronickelplatinumPt2FeNi
1.89Rhodium(Rh,Pt)
1.1.17.1IronFe
1.1.17.2NickelNi
1.1.17.3Kamacite(Fe,Ni)
1.1.17.5TetrataeniteFeNi
1.1.17.6AwaruiteNi3Fe
1.1.17.6Hexaferrum(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.

Internet Links for Taenite

Localities for Taenite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Mineral and/or Locality  
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