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Tantalowodginite Mineral Data

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General Tantalowodginite Information

Help on Chemical  Formula: Chemical Formula: (Mn2,[ ])4Ta4Ta8O32
Help on Composition: Composition: Molecular Weight = 2,848.17 gm
   Tantalum   76.24 %  Ta   93.09 % Ta2O5
   Manganese   5.79 %  Mn    7.47 % MnO
   Oxygen     17.98 %  O
             ______        ______ 
             100.00 %      100.56 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+3Ta4Ta8O32
Help on IMA Status: IMA Status: Not Approved IMA, Abandoned 1992
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition.
 

Tantalowodginite Crystallography

Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
 

Physical Properties of Tantalowodginite

Help on Color: Color: Brown.
Help on Density: Density: 6.9 - 7.4, Average = 7.15
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Hardness: Hardness: 5-5.5 - Apatite-Knife Blade
Help on Luster: Luster: Adamantine
 

Optical Properties of Tantalowodginite

Help on Optical Data: Optical Data: NCalc= 2.11 - from Gladstone-Dale relationship (KC = 0.1553) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Tantalowodginite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.06 gm/cc
note: Specific Gravity of Tantalowodginite =7.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001777688
Boson Index = 0.9998222312
Help on Photoelectric: Photoelectric: PETantalowodginite = 927.96 barns/electron
U=PETantalowodginite x rElectron Density=5,623.48 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tantalowodginite is Not Radioactive
 

Tantalowodginite Classification

Help on  Dana Class: Dana Class: 04.00.00.00 (04)Oxide Minerals
  (04.00)Without Dana Classification Numbers
  (04.00.00)Oxide
 
04.00.00.00 Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m
 
04.00.00.00 Chubutite* Pb7O6Cl2 Unk Ortho
 
04.00.00.00 Clinobirnessite* Na4Mn14O27•9(H2O) Mono
 
04.00.00.00 Donathite? (Fe,Mg)(Cr,Fe)2O4 P 4/nnm 4/m 2/m 2/m
 
04.00.00.00 IMA2008-022 UO2(OH)2 pseudo-orthorhombic Mono
 
04.00.00.00 Krasnogorite* WO3 Pmnb 2/m 2/m 2/m
 
04.00.00.00 Mengxianminite* (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 Unk Ortho
 
04.00.00.00 Romanite* (Fe,U,Pb)2(Ti,Fe)O4 Trig ? Trig
 
04.00.00.00 Tantalowodginite* (Mn2,[])4Ta4Ta8O32 C 2/c 2/m
 
04.00.00.00 Ungursaite* NaCa5(Ta,Nb)24O65(OH) P 63/m,P 63 Hex
 
04.00.00.00 Wolframoixiolite* (Fe,Mn,Nb)(Nb,W,Ta)O4 Pc 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 Tantalowodginite Information

Help on References: References: PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988)
Help on See Also: See Also: Links to other databases for Tantalowodginite :
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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Print or Cut-and-Paste your Tantalowodginite Specimen Label here :

Tantalowodginite

(Mn2,[ ])4Ta4Ta8O32
Dana No: 04.00.00.00 Strunz No: 04.DB.40
Locality:

 

Notes:

 

 
   
 


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