Titanowodginite Mineral Data

Titanowodginite Mineral Data +

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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.

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

Diaphaniety:

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

Optical Data:

Biaxial (+), b=2

Calculated Properties of Titanowodginite

Electron Density:

r_electron=5.99 gm/cc
note: r_{Titanowodginite}=6.86 gm/cc.

Fermion Index

Fermion Index = 0.01708
Boson Index = 0.98292

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Titanowodginite is Not Radioactive

Titanowodginite Classification

Dana Class:

8.1.8.3 (8)Multiple Oxides with Nb, Ta, and Ti

(8.1)where A BO4

(8.1.8)Dana Group

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

8.1.8.2 Ferrowodginite FeSnTa2O8 C 2/c 2/m

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

8.1.8.4 Lithiowodginite LiTa3O8 C 2/c 2/m

8.1.8.5 Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m

8.1.8.6 IMA2000-026! (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 C 2/c 2/m

Strunz Class:

IV/D.17-40 IV - Oxides

IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)

IV/D.17 - Qitianglinite - Lithiowodginite series

IV/D.17-05 Koragoite (Mn,Fe)3(Nb,Ta,Ti)2(Nb,Mn)2(W,Ta)2O20 P 2₁ 2

IV/D.17-10 Qitianlingite Fe2Nb2WO10 P bcn 2/m 2/m 2/m

IV/D.17-20 Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m

IV/D.17-30 Ixiolite (Ta,Nb,Sn,Mn,Fe)O2 P 2/c 2/m

IV/D.17-40 Titanowodginite (Mn,Fe)(Ti,Sn)(Ta,Nb)2O8 C 2/c 2/m

IV/D.17-50 Wodginite Mn(Sn,Ta)(Ta,Nb)2O8 C 2/c 2/m

IV/D.17-55 Ferrotitanowodginite! FeTiTa2O8 C 2/m 2/m

IV/D.17-60 Ferrowodginite FeSnTa2O8 C 2/c 2/m

IV/D.17-70 Lithiowodginite LiTa3O8 C 2/c 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Titanowodginite

(Mn++,Fe++)(Ti,Sn)(Ta,Nb)2O8
Dana No: 8.1.8.3 Strunz No: IV/D.17-40
Locality:

Notes: