Lithiowodginite Mineral Data

General Lithiowodginite Information

Chemical Formula:

LiTa3O8

Composition:

Molecular Weight = 677.78 gm

Lithium 1.02 % Li 2.20 % Li₂O

Tantalum 80.09 % Ta 97.80 % Ta₂O₅

Oxygen 18.88 % O

______ ______

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

IMA1988-011

PDF 36-1480

Lithiowodginite Image

Images:

Lithiowodginite

Comments: Black crystalline grains of lithiowodginite in pegmatite.
Location: Tanco Mine, Bernic Lake, Manitoba, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lithiowodginite Crystallography

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 - PrismaticH-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.987(1), 3.65(0.82), 2.94(0.5),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Ercit T S , Hawthorne F C , Cerny P , The Canadian Mineralogist , 30 (1992) p.597-611, The wodginite group. I. Structural crystallography, Sample: TSE-76

Physical Properties of Lithiowodginite

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

Optical Properties of Lithiowodginite

Optical Data:

Biaxial (?)

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

RL Anisotrophism:

Strong.

RL Bireflectance:

Weak.

RL Color:

Grayish white.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Lithiowodginite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
486 nm	14.10	13.00
553 nm	14.00	12.90
589 nm	14.30	13.00
656 nm	14.00	12.50

**Calculated Relative Intensity Colors of Lithiowodginite in Air**
Relative Intensity	0%	70%	100%	140%	210%	280%	350%	420%	490%	560%	630%	690%
R₁
R₂

Calculated Properties of Lithiowodginite

Electron Density:

Bulk Density (Electron Density)=6.90 gm/cc
note: Specific Gravity of Lithiowodginite =8.18 gm/cc.

Fermion Index:

Fermion Index = 0.0009548143
Boson Index = 0.9990451857

Photoelectric:

PE_{Lithiowodginite}= 977.29 barns/electron
U=PE_{Lithiowodginite} x rElectron Density=6,746.61 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lithiowodginite is Not Radioactive

Lithiowodginite Classification

Dana Class:

08.01.08.04 (08)Multiple Oxides with Nb, Ta, and Ti

(08.01)where A BO4

(08.01.08)Wodginite Group

08.01.08.01 Wodginite Mn(Sn,Ta)(Ta,Nb)2O8 C 2/c 2/m

08.01.08.02 Ferrowodginite FeSnTa2O8 C 2/c 2/m

08.01.08.03 Titanowodginite (Mn,Fe)(Ti,Sn)(Ta,Nb)2O8 C 2/c 2/m

08.01.08.04 Lithiowodginite LiTa3O8 C 2/c 2/m

08.01.08.05 Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m

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

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 Lithiowodginite Information

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

Search for Lithiowodginite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Lithiowodginite :

A Bijoux Google Search for Lithiowodginite
Adam's Minerals Google Search for Lithiowodginite
Cape Minerals Google Search for Lithiowodginite
Dakota Matrix Minerals Google Search for Lithiowodginite
Excalibur Mineral Corp. Google Search for Lithiowodginite
Exceptional Minerals Google Search for Lithiowodginite
John Betts Fine Minerals Search for Lithiowodginite
McDougall Minerals Google Search for Lithiowodginite
Mineral News Website Link
Rock and Mineral Shows Google Search for Lithiowodginite
Weinrich Minerals, Inc. Google Search for Lithiowodginite

Ask about Lithiowodginite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Lithiowodginite

LiTa3O8
Dana No: 08.01.08.04 Strunz No: 04.DB.40
Locality:

Notes: