Mineralogy Database

Ferrotitanowodginite Mineral Data

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General Ferrotitanowodginite Information

Help on Chemical  Formula: Chemical Formula: Fe++TiTa2O8
Help on Composition: Composition: Molecular Weight = 593.62 gm
   Tantalum  60.96 %  Ta   74.44 % Ta2O5
   Titanium   8.07 %  Ti   13.46 % TiO2
   Iron       9.41 %  Fe   12.10 % FeO
   Oxygen    21.56 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+TiTa2O8
Help on Environment: Environment: San El�as granitic pegmatite. Found as sub-millimeter domains in ferrowodginite.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Found in the southern quarry, Sierra de la Estanzuela, departamento de Chacabuco, San Luis province, Argentina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects its composition and relationship to wodginite.
Help on Synonym: Synonym: IMA1998-028

Ferrotitanowodginite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8259:1:0.4458
Help on Cell Dimensions: Cell Dimensions: a = 9.403, b = 11.384, c = 5.075, Z = 4; beta = 90.55° V = 543.22 Den(Calc)= 7.26
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.963(1), 2.939(0.9), 3.626(0.7),1.715(0.5), 1.711(0.45), 1.759(0.45), 2.484(0.45), 1.447(0.4),

Physical Properties of Ferrotitanowodginite

Help on Cleavage: Cleavage: None
Help on Color: Color: Very dark brown, Black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Irregular - Very brittle fracture producing irregular fragments
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: dark brown

Optical Properties of Ferrotitanowodginite

Help on Optical Data: Optical Data: NCalc= 2.37 - from Gladstone-Dale relationship (KC = 0.188) where Ncalc=Dcalc*KC+1

Calculated Properties of Ferrotitanowodginite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.31 gm/cc
note: Specific Gravity of Ferrotitanowodginite =7.26 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFerrotitanowodginite = 726.85 barns/electron
U=PEFerrotitanowodginite x rElectron Density=4,586.96 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferrotitanowodginite is Not Radioactive

Ferrotitanowodginite 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 Ferrotitanowodginite Information

Help on References: References: NAME( CanMin, 8/99) PHYS. PROP.(MinRec, V 31, No. 2)
Help on See Also: See Also: Links to other databases for Ferrotitanowodginite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 04.DB.40





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