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Lithiowodginite Mineral Data
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General Lithiowodginite Information
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 Chemical Formula: |
LiTa3O8 |
| Composition: |
Molecular Weight = 677.78 gm |
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Lithium 1.02 % Li 2.20 % Li2O |
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Tantalum 80.09 % Ta 97.80 % Ta2O5 |
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Oxygen 18.88 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
LiTa3O8 |
| Environment: |
In the albite zone of granite pegmatite. |
| IMA Status: |
Approved IMA 1990 |
| Locality: |
Undisclosed locality [Kalba Mountians] in eastern Kazakhstan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the dominant LITHium content and the relationship to wodginite. |
| Name Pronunciation: |
Lithiowodginite + Pronunciation  |
| Synonym: |
ICSD 493 |
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IMA1988-011 |
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PDF 36-1480 |
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Lithiowodginite Image |
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Images:
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Lithiowodginite Crystallography
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| Axial Ratios: |
a:b:c =0.8198:1:0.4395 |
| Cell Dimensions: |
a = 9.441, b = 11.516, c = 5.062, Z = 4; beta = 91.06° V = 550.26 Den(Calc)= 8.18 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
| X Ray Diffraction: |
By Intensity(I/Io): 2.987(1), 3.65(0.82), 2.94(0.5), |
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Physical Properties of Lithiowodginite
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| Cleavage: |
None |
| Color: |
Brown, Pink, Red. |
| Density: |
7.5 |
| Diaphaneity: |
Translucent to Opaque |
| Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
| Habit: |
Inclusions - Generally found as inclusions in other minerals. |
| Habit: |
Twinning Common - Crystals are usually twinned. |
| Hardness: |
5-6 - Between Apatite and Orthoclase |
| Luster: |
Adamantine |
| Streak: |
pale pink |
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Optical Properties of Lithiowodginite
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| Optical Data: |
Biaxial (?) |
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NCalc= 2.26 - from Gladstone-Dale relationship (KC = 0.1544) where Ncalc=Dcalc*KC+1
NCalc= 2.16 - from Gladstone-Dale relationship (KC = 0.1544) where Ncalc=Dmeas*KC+1
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| RL Anisotrophism: |
Strong. |
| RL Bireflectance: |
Weak. |
| RL Color: |
Grayish white. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Lithiowodginite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 486 nm |
14.10 |
13.00 |
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| 553 nm |
14.00 |
12.90 |
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| 589 nm |
14.30 |
13.00 |
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| 656 nm |
14.00 |
12.50 |
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Calculated Relative Intensity Colors of Lithiowodginite in Air
Relative
Intensity |
0% |
70% |
100% |
140% |
210% |
280% |
350% |
420% |
490% |
560% |
630% |
690% |
| R1 |
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| R2 |
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Calculated Properties of Lithiowodginite
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| Electron Density: |
Bulk Density (Electron Density)=6.90 gm/cc
note: Specific Gravity of Lithiowodginite =8.18 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0009548143
Boson Index = 0.9990451857 |
| Photoelectric: |
PELithiowodginite = 977.29 barns/electron
U=PELithiowodginite x rElectron Density=6,746.61 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lithiowodginite is Not Radioactive |
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Lithiowodginite Classification
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| Dana Class: |
08.01.08.04 (08)Multiple Oxides with Nb, Ta, and Ti |
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(08.01)where A BO4 |
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(08.01.08)Wodginite Group |
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08.01.08.01 Wodginite Mn(Sn,Ta)(Ta,Nb)2O8 C 2/c 2/m |
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08.01.08.02 Ferrowodginite FeSnTa2O8 C 2/c 2/m |
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08.01.08.03 Titanowodginite (Mn,Fe)(Ti,Sn)(Ta,Nb)2O8 C 2/c 2/m |
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08.01.08.04 Lithiowodginite LiTa3O8 C 2/c 2/m |
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08.01.08.05 Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m |
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08.01.08.06 IMA2000-026! (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 C 2/c 2/m |
| Strunz Class: |
04.DB.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DB -With medium-sized cations; chains of edge-sharing octahedra |
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04.DB.40 Ferrowodginite FeSnTa2O8 C 2/c 2/m |
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04.DB.40 Lithiotantite Li(Ta,Nb)3O8 P 21/c 2/m |
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04.DB.40 Lithiowodginite LiTa3O8 C 2/c 2/m |
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04.DB.40 Tantalowodginite* (Mn2,[])4Ta4Ta8O32 C 2/c 2/m |
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04.DB.40 Titanowodginite (Mn,Fe)(Ti,Sn)(Ta,Nb)2O8 C 2/c 2/m |
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04.DB.40 Wodginite Mn(Sn,Ta)(Ta,Nb)2O8 C 2/c 2/m |
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04.DB.40 Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m |
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Other Lithiowodginite Information
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| References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.76,p667,1991) OPTIC PROP.(AntBidBlaNic3) |
| See Also: |
Links to other databases for Lithiowodginite :
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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Lithiowodginite Specimen Label here :
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Lithiowodginite
LiTa3O8
Dana No: 08.01.08.04 Strunz No: 04.DB.40
Locality:
Notes:
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