Mineralogy Database

Ferrowodginite Mineral Data

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General Ferrowodginite Information

Help on Chemical  Formula: Chemical Formula: Fe++SnTa2O8
Help on Composition: Composition: Molecular Weight = 664.45 gm
   Tantalum  54.47 %  Ta   66.51 % Ta2O5
   Iron       8.41 %  Fe   10.81 % FeO
   Tin       17.87 %  Sn   20.27 % SnO
   Oxygen    19.26 %  O
            ______        ______ 
            100.00 %       97.59 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+SnTa2O8
Help on Environment: Environment: Museum specimens from a granite pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1992
Help on Locality: Locality: Sukula, Tammela, Finland, the exact locality now lost. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its content of FERROus iron and its relation to wodginite.
Help on Name Pronunciation: Name Pronunciation: Ferrowodginite + Pronunciation Say FERROWODGINITE
Help on Synonym: Synonym: IMA1984-006

Ferrowodginite Image

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Comments: Dark brown massive ferrowodginite.
Location: Nyanga Number 2 Pegmatite, Ankole, Uganda. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrowodginite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8228:1:0.4378
Help on Cell Dimensions: Cell Dimensions: a = 9.415, b = 11.442, c = 5.0103, Z = 4; beta = 90.8° V = 539.69 Den(Calc)= 8.18
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.97(1), 4.16(0.5), 2.493(0.4),

Physical Properties of Ferrowodginite

Help on Cleavage: Cleavage: None
Help on Color: Color: Dark brown, Black.
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: dark brown

Optical Properties of Ferrowodginite

Help on Optical Data: Optical Data: NCalc= 2.22 - from Gladstone-Dale relationship (KC = 0.1491) where Ncalc=Dcalc*KC+1

Calculated Properties of Ferrowodginite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.04 gm/cc
note: Specific Gravity of Ferrowodginite =8.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEFerrowodginite = 711.51 barns/electron
U=PEFerrowodginite x rElectron Density=5,010.36 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferrowodginite is Not Radioactive

Ferrowodginite Classification

Help on  Dana Class: Dana Class: (08)Multiple Oxides with Nb, Ta, and Ti
  (08.01)where A BO4
  (08.01.08)Wodginite Group Wodginite Mn(Sn,Ta)(Ta,Nb)2O8 C 2/c 2/m Ferrowodginite FeSnTa2O8 C 2/c 2/m Titanowodginite (Mn,Fe)(Ti,Sn)(Ta,Nb)2O8 C 2/c 2/m Lithiowodginite LiTa3O8 C 2/c 2/m Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m IMA2000-026! (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 C 2/c 2/m
Help on  Strunz Class: Strunz Class: 04.DB.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DB -With medium-sized cations; chains of edge-sharing octahedra
04.DB.40 Ferrowodginite FeSnTa2O8 C 2/c 2/m
04.DB.40 Lithiotantite Li(Ta,Nb)3O8 P 21/c 2/m
04.DB.40 Lithiowodginite LiTa3O8 C 2/c 2/m
04.DB.40 Tantalowodginite* (Mn2,[])4Ta4Ta8O32 C 2/c 2/m
04.DB.40 Titanowodginite (Mn,Fe)(Ti,Sn)(Ta,Nb)2O8 C 2/c 2/m
04.DB.40 Wodginite Mn(Sn,Ta)(Ta,Nb)2O8 C 2/c 2/m
04.DB.40 Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m

Other Ferrowodginite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988)
Help on See Also: See Also: Links to other databases for Ferrowodginite :
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

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Dana No: Strunz No: 04.DB.40





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