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.
 

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Tantalowodginite Crystallography

Help on Crystal System: Crystal System: Monoclinic - PrismaticH-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 Diaphaniety: Diaphaniety: 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:

relectron=6.06 gm/cc
note: rTantalowodginite =7.15 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00017
Boson Index = 0.99983
Help on Photoelectric: Photoelectric:

PETantalowodginite = 927.96 barns/electron
U=PETantalowodginite x relectron=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: 4.0.0.0 (4)Oxide Minerals
  (4.0)Without Dana Classification Numbers
  (Oxide)
Help on  Strunz Class: Strunz Class: IV/X.00-00 IV - Oxides
  IV/X - Unclassified Strunz Oxides
  IV/X.00 - Oxide
 

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 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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

Tantalowodginite

(Mn2,[ ])4Ta4Ta8O32
Dana No: Unknown Strunz No: IV/X.00-00
Locality:

 

Notes:

 

 
   
 
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