Antitaenite Mineral Data

General Antitaenite Information

Chemical Formula:

gamma-Fe3Ni

Composition:

Molecular Weight = 226.23 gm

Iron 74.06 % Fe

Nickel 25.94 % Ni

______

100.00 %

Empirical Formula:

Fe⁰⁺₃Ni

Environment:

Found intergrown with tetrataenite in some ataxite octahedrite meteorite specimens.

IMA Status:

Not Submitted IMA

Locality:

Vaca Muerta mesosiderite meteorite. Link to MinDat.org Location Data.

Name Origin:

Named for its opposite anti-ferromagnetism in contrast to the ferromagnetism of taenite.

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Antitaenite Crystallography

Crystal System:

IsometricSpace Group: Unk

Physical Properties of Antitaenite

Cleavage:

None

Color:

Gray.

Diaphaneity:

Opaque

Fracture:

Malleable - Deforms rather than breaking apart with a hammer.

Habit:

Exsolution Inclusions - Formed by the exsolution of a separate mineral from the parent mineral caused by a temperature drop.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Luster:

Metallic

Magnetism:

Anti-ferromagnetic

Streak:

gray

Calculated Properties of Antitaenite

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Antitaenite= 33.54 barns/electron
U=PE_Antitaenite x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Antitaenite is Not Radioactive

Antitaenite Classification

Dana Class:

01.00.00.00 (01)Native Elements

(01.00)Without Dana Classification Numbers

(01.00.00)Alloys

01.00.00.00 Antitaenite* gamma-Fe3Ni Unk Cubic

01.00.00.00 Goldamalgam* (Au,Ag)Hg I m3m 4/m 3 2/m

01.00.00.00 IMA2007-036 TiFeSi2 Pbam 2/m 2/m 2/m

01.00.00.00 Rhenium* Re P 6₃/mmc 6/m 2/m 2/m

01.00.00.00 Tantalum* Ta I m3m 4/m 3 2/m

01.00.00.00 Titanium* Ti P 6₃/mmc 6/m 2/m 2/m

01.00.00.00 Tongxinite* Cu2Zn Unk Cubic

Strunz Class:

01.AE.10 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AE -Iron-chromium family

01.AE.10 Antitaenite* gamma-Fe3Ni Unk Cubic

01.AE.10 Taenite gamma-(Fe,Ni) F m3m 4/m 3 2/m

01.AE.10 Tetrataenite FeNi P 4/mmm 4/m 2/m 2/m

Other Antitaenite Information

References:

PHYS. PROP.(Am.Min.,Vol.81,p766,1996)

See Also:

Links to other databases for Antitaenite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Meteorite Minerals
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Print or Cut-and-Paste your Antitaenite Specimen Label here :

Antitaenite

gamma-Fe3Ni
Dana No: 01.00.00.00 Strunz No: 01.AE.10
Locality:

Notes: