Akaganeite Mineral Data + Say AKAGANEITE


We specialise in top quality, fine minerals from Morocco, Namibia,
South Africa, Pakistan, Democratic Republic of Congo (Za�¯re) and China

Worldwide Fine Minerals by B & C GOBIN

General Akaganeite Information

Help on Chemical  Formula: Chemical Formula: Fe+++(O,OH,Cl)
Help on Composition: Composition: Molecular Weight = 761.37 gm
   Iron      55.75 %  Fe   79.70 % Fe2O3
   Nickel     3.08 %  Ni    3.92 % NiO
   Hydrogen   1.28 %  H    11.48 % H2O
   Chlorine   6.05 %  Cl    6.05 % Cl
               -   %  Cl   -1.37 % -O=Cl2
   Oxygen    33.83 %  O
            ______        ______ 
            100.00 %       99.79 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+7.6Ni0.4O6.4(OH)9.7Cl1.3
Help on Environment: Environment: Apparently formed from pyrrhotite by ferric-sulfate-bearing solutions. Transforms to hematite at 290 to 310 Deg. C.
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: Akagane mine, Iwate Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: ICSD 69606
  PDF 42-1315
 

Akaganeite Image

Click Here for Larger Akaganeite Image in a New Browser Window Images:
Click Here for Larger Akaganeite Image

Akaganeite

Comments: Rusty brown coating of akaganeite on rock.
Location: Wells, Elko County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Akaganeite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.4927:1:3.469
Help on Cell Dimensions: Cell Dimensions: a = 10.587, b = 3.0311, c = 10.515, Z = 1; beta = 90.03° V = 337.43 Den(Calc)= 3.75
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.635(1), 3.311(1), 7.4(1),
Click Here for Large Akaganeite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate

Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above


Post J E , Buchwald V F , American Mineralogist , 76 (1991) p.272-277, Crystal structure refinement of akaganeite

View Additional jPOWD Structure files for Akaganeite
[1]
 

Physical Properties of Akaganeite

Help on Color: Color: Brown, Rusty brown.
Help on Density: Density: 3
Help on Diaphaniety: Diaphaniety: Opaque
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Powdery - Forms a loose, poorly-coherent pulverulent mass.
Help on Luster: Luster: Adamantine - Metallic
Help on Streak: Streak: brownish yellow
 

Optical Properties of Akaganeite

Help on Optical Data: Optical Data: Biaxial (?)
  NCalc= 2.19 - from Gladstone-Dale relationship (KC = 0.3161) where Ncalc=Dcalc*KC+1
NCalc= 1.95 - from Gladstone-Dale relationship (KC = 0.3161) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Akaganeite

Help on Electron Density: Electron Density:

relectron=3.64 gm/cc
note: rAkaganeite =3.75 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01233
Boson Index = 0.98767
Help on Photoelectric: Photoelectric:

PEAkaganeite = 18.39 barns/electron
U=PEAkaganeite x relectron= 66.91 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Akaganeite is Not Radioactive

 

Akaganeite Classification

Help on  Dana Class: Dana Class: 6.1.6.1 (6)Hydroxides and Oxides Containing Hydroxyl
  (6.1)where X+++O OH
  (6.1.6)Dana Group
 
6.1.6.1 Akaganeite Fe(O,OH,Cl) I2/m 2/m
Help on  Strunz Class: Strunz Class: IV/F.06-50 IV - Oxides
  IV/F - Hydroxides and oxidic hydrates, water-bearing oxides with layered structure
  IV/F.06 - Diaspore - Goethite - Faitknechtite series
 
IV/F.06-10 Diaspore AlO(OH) Pbnm 2/m 2/m 2/m
 
IV/F.06-20 Boehmite AlO(OH) Amam 2/m 2/m 2/m
 
IV/F.06-25 Tsumgallite! GaO(OH) Pbnm 2/m 2/m 2/m
 
IV/F.06-30 Goethite FeO(OH) Pbnm 2/m 2/m 2/m
 
IV/F.06-40 Lepidocrocite FeO(OH) Amam 2/m 2/m 2/m
 
IV/F.06-50 Akaganeite Fe(O,OH,Cl) I2/m 2/m
 
IV/F.06-60 Feroxyhyte FeO(OH) Unk Hex
 
IV/F.06-70 Manganite MnO(OH) B21/d 2/m
 
IV/F.06-80 Groutite MnO(OH) Pbnm 2/m 2/m 2/m
 
IV/F.06-90 Feitknechtite beta-MnO(OH) Unk Hex
 

Other Akaganeite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(AmMin, v 88, p 782)
Help on See Also: See Also: Links to other databases for Akaganeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Akaganeite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Akaganeite :

AA Mineral Specimens
B & L Fine Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
Heliodor
John Betts Fine Minerals
Mason's Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
The GeoZone
Wrights Rock Shop

Translate Akaganeite Mineral Data :

Ask about Akaganeite 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 Akaganeite Specimen Label here :

Akaganeite

Fe+++(O,OH,Cl)
Dana No: 6.1.6.1 Strunz No: IV/F.06-50
Locality:

 

Notes:

 

 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links