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 - Prismatic H-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

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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:

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