Wustite Mineral Data

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General Wustite Information

Chemical Formula:

FeO

Composition:

Molecular Weight = 71.85 gm

Iron 77.73 % Fe 100.00 % FeO

Oxygen 22.27 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺O

IMA Status:

Valid Species (Pre-IMA) 1927

Locality:

At Scharnhausen, near Stuttgart, Baden-W¨urttemberg, and at Buhl, near Weimar, Hesse, Germany. In Greenland, on Disko Island, near Uivfaq and Kitdlit. From the Pathardih colliery, Jhar Link to MinDat.org Location Data.

Name Origin:

Named for Ewald Wüst (1875-1934), German metallurgist and Director for Iron Research of the Kaiser Wilhelm Institute, Dusseldorf, Germany who first synthesized the compound.

Name Pronunciation:

Wustite

Synonym:

Wuestite

Wustite Image

Images:

Wustite

Comments: Orange botryoidal wustite on green calcite.
Location: Zacatecas, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wustite Crystallography

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.146(1), 1.518(0.8), 2.476(0.7),

Crystal Structure:

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Fjellvag H , Hauback B C , Vogt T , Stolen S , American Mineralogist , 87 (2002) p.347-349, Monoclinic nearly stoichiometric wustite at low temperatures, Sample: BNL, T = 10 K

View Additional jPOWD Structure files for Wustite
[1] [2] [3] [4] [5] [6]

Physical Properties of Wustite

Color:

Gray.

Optical Properties of Wustite

Optical Data:

NCalc= 2.13 - from Gladstone-Dale relationship (KC = 0.188) where Ncalc=Dcalc*KC+1
NCalc= 2.11 - from Gladstone-Dale relationship (KC = 0.188) where Ncalc=Dmeas*KC+1

Calculated Properties of Wustite

Electron Density:

Bulk Density (Electron Density)=5.70 gm/cc
note: Specific Gravity of Wustite =6.02 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Wustite= 23.84 barns/electron
U=PE_Wustite x rElectron Density= 135.82 barns/cc.

Radioactivity:

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

Wustite Classification

Dana Class:

04.02.01.06 (04)Simple Oxides

(04.02)with a cation charge of 2+ (A++ O)

(04.02.01)Periclase group (Isometric, Fm3m)

04.02.01.01 Periclase MgO F m3m 4/m 3 2/m

04.02.01.02 Bunsenite NiO F m3m 4/m 3 2/m

04.02.01.03 Manganosite MnO F m3m 4/m 3 2/m

04.02.01.04 Monteponite CdO F m3m 4/m 3 2/m

04.02.01.05 Lime CaO F m3m 4/m 3 2/m

04.02.01.06 Wustite FeO F m3m 4/m 3 2/m

04.02.01.07 Hongquiite* TiO F m3m 4/m 3 2/m

Strunz Class:

04.AB.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.A - Metal:Oxygen = 2.1 and 1:1

04.AB -M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only

04.AB.25 Bunsenite NiO F m3m 4/m 3 2/m

04.AB.25 Lime CaO F m3m 4/m 3 2/m

04.AB.25 Monteponite CdO F m3m 4/m 3 2/m

04.AB.25 Manganosite MnO F m3m 4/m 3 2/m

04.AB.25 Periclase MgO F m3m 4/m 3 2/m

04.AB.25 Wustite FeO F m3m 4/m 3 2/m

Other Wustite Information

See Also:

Links to other databases for Wustite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - University of Colorado - Mineral Structure Data
16 - WWW-MINCRYST

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Ask about Wustite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Wustite

FeO
Dana No: 04.02.01.06 Strunz No: 04.AB.25
Locality:

Notes: