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Taenite

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Formula:
(Fe,Ni)
Colour:
Greyish white, silver-white
Lustre:
Metallic
Hardness:
5 - 5½
Crystal System:
Isometric
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.


Classification of Taenite

Approved, 'Grandfathered' (first described prior to 1959)
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)

Physical Properties of Taenite

Metallic
Transparency:
Opaque
Colour:
Greyish white, silver-white
Streak:
Light grey
Hardness:
5 - 5½ on Mohs scale

Optical Data of Taenite

Type:
Isotropic

Chemical Properties of Taenite

Formula:
(Fe,Ni)
IMA Formula:
(Ni,Fe)
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 V:
364.91 ų (Calculated from Unit Cell)

Type Occurrence of Taenite

Synonyms of Taenite

Other Language Names for Taenite

Common Associates

Associated Minerals Based on Photo Data:
Kamacite107 photos of Taenite associated with Kamacite on mindat.org.
Iron22 photos of Taenite associated with Iron on mindat.org.
Troilite18 photos of Taenite associated with Troilite on mindat.org.
Plessite7 photos of Taenite associated with Plessite on mindat.org.
Olivine7 photos of Taenite associated with Olivine on mindat.org.
Schreibersite6 photos of Taenite associated with Schreibersite on mindat.org.
Forsterite5 photos of Taenite associated with Forsterite on mindat.org.
Nickel-iron3 photos of Taenite associated with Nickel-iron on mindat.org.
Daubréelite3 photos of Taenite associated with Daubréelite on mindat.org.
Allabogdanite3 photos of Taenite associated with Allabogdanite on mindat.org.

Related Minerals - Nickel-Strunz Grouping

1.AE.VanadiumV
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

Related Minerals - Hey's Chemical Index of Minerals Grouping

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
1.31AnyuiiteAuPb2
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(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)

Related Minerals - Dana Grouping (8th Ed.)

1.1.11.1Kamacite(Fe,Ni)
1.1.11.3TetrataeniteFeNi
1.1.11.4AwaruiteNi3Fe
1.1.11.5NickelNi
1.1.11.6WairauiteCoFe

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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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

mindat.org URL:
https://www.mindat.org/min-3868.html
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Localities for Taenite

Mineral and/or Locality  
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