Titanowodginite Mineral Data

General Titanowodginite Information

Chemical Formula:

(Mn++,Fe++)(Ti,Sn)(Ta,Nb)2O8

Composition:

Molecular Weight = 583.43 gm

Tantalum 49.62 % Ta 60.59 % Ta₂O₅

Titanium 4.92 % Ti 8.21 % TiO₂

Manganese 7.53 % Mn 9.73 % MnO

Niobium 7.96 % Nb 11.39 % Nb₂O₅

Iron 1.91 % Fe 2.46 % FeO

Tin 6.10 % Sn 7.75 % SnO₂

Oxygen 21.94 % O

______ ______

100.00 % 100.14 % = TOTAL OXIDE

Empirical Formula:

Mn²⁺_0.8Fe²⁺_0.2Ti_0.6Sn_0.3Ta_1.6Nb_0.5O₈

Environment:

Complex, zoned granite pegmatite.

IMA Status:

Approved IMA 1992

Locality:

Tanco pegmatite, Bernic Lake, Manitoba, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for TITANium and its relationship to wodginite.

Name Pronunciation:

Titanowodginite + Pronunciation

Synonym:

IMA1984-008

Titanowodginite Image

Images:

Titanowodginite

Comments: Black crystals of titanowodginite in matrix.
Location: Tanco Mine (Bernic Lake Mine), Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Titanowodginite Crystallography

Axial Ratios:

a:b:c =0.828:1:0.4484

Cell Dimensions:

a = 9.466, b = 11.431, c = 5.126, Z = 4; beta = 90.31° V = 554.66 Den(Calc)= 6.99

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): 2.976(1), 2.966(0.95), 3.644(0.46),

Physical Properties of Titanowodginite

Cleavage:

None

Color:

Dark brown, Black.

Density:

6.86

Diaphaneity:

Transparent to Translucent

Fracture:

Brittle - Irregular - Very brittle fracture producing irregular fragments

Habit:

Euhedral Crystals - Occurs as well-formed crystals showing good external form.

Hardness:

5.5 - Knife Blade

Luster:

Vitreous (Glassy)

Streak:

dark brown

Optical Properties of Titanowodginite

Gladstone-Dale:

CI meas= 0.229 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.244 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1431,KPDmeas= 0.1458,KC= 0.1892
Ncalc = 2.3 - 2.32

Optical Data:

Biaxial (+), b=2

Calculated Properties of Titanowodginite

Electron Density:

Bulk Density (Electron Density)=5.99 gm/cc
note: Specific Gravity of Titanowodginite =6.86 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Titanowodginite}= 621.08 barns/electron
U=PE_{Titanowodginite} x rElectron Density=3,719.99 barns/cc.

Radioactivity:

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

Titanowodginite Classification

Dana Class:

08.01.08.03 (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 Titanowodginite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Titanowodginite :
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

Search for Titanowodginite using:

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

Visit our Advertisers for Titanowodginite :

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

Ask about Titanowodginite 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 Titanowodginite Specimen Label here :

Titanowodginite

(Mn++,Fe++)(Ti,Sn)(Ta,Nb)2O8
Dana No: 08.01.08.03 Strunz No: 04.DB.40
Locality:

Notes: