Ferrotitanowodginite Mineral Data

Ferrotitanowodginite Mineral Data

[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors

General Ferrotitanowodginite Information

Chemical Formula:

Fe++TiTa2O8

Composition:

Molecular Weight = 593.62 gm

Tantalum 60.96 % Ta 74.44 % Ta₂O₅

Titanium 8.07 % Ti 13.46 % TiO₂

Iron 9.41 % Fe 12.10 % FeO

Oxygen 21.56 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺TiTa₂O₈

Environment:

San Elías granitic pegmatite. Found as sub-millimeter domains in ferrowodginite.

IMA Status:

Approved IMA 1999 (Dana # Added)

Locality:

Found in the southern quarry, Sierra de la Estanzuela, departamento de Chacabuco, San Luis province, Argentina. Link to MinDat.org Location Data.

Name Origin:

The name reflects its composition and relationship to wodginite.

Synonym:

IMA1998-028

Search for Ferrotitanowodginite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Ferrotitanowodginite Crystallography

Axial Ratios:

a:b:c =0.8259:1:0.4458

Cell Dimensions:

a = 9.403, b = 11.384, c = 5.075, Z = 4; beta = 90.55° V = 543.22 Den(Calc)= 7.26

Crystal System:

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

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

By Intensity(I/I_o): 2.963(1), 2.939(0.9), 3.626(0.7),1.715(0.5), 1.711(0.45), 1.759(0.45), 2.484(0.45), 1.447(0.4),

Physical Properties of Ferrotitanowodginite

Cleavage:

None

Color:

Very dark brown, Black.

Diaphaniety:

Opaque

Fracture:

Brittle - Irregular - Very brittle fracture producing irregular fragments

Habit:

Inclusions - Generally found as inclusions in other minerals.

Hardness:

5.5 - Knife Blade

Luster:

Sub Metallic

Streak:

dark brown

Optical Properties of Ferrotitanowodginite

Optical Data:

NCalc= 2.37 - from Gladstone-Dale relationship (KC = 0.188) where Ncalc=Dcalc*KC+1

Calculated Properties of Ferrotitanowodginite

Electron Density:

r_electron=6.31 gm/cc
note: r_{Ferrotitanowodginite}=7.26 gm/cc.

Fermion Index

Fermion Index = 0.0126
Boson Index = 0.9874

Photoelectric:

PE_{Ferrotitanowodginite}= 726.85 barns/electron
U=PE_{Ferrotitanowodginite} x r_electron=4,586.96 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ferrotitanowodginite is Not Radioactive

Ferrotitanowodginite Classification

Dana Class:

8.1.8.5 (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.17-55 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 Ferrotitanowodginite Information

References:

NAME( CanMin, 8/99) PHYS. PROP.(MinRec, V 31, No. 2)

See Also:

Links to other databases for Ferrotitanowodginite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

Search for Ferrotitanowodginite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferrotitanowodginite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Ferrotitanowodginite Mineral Data :

Ask about Ferrotitanowodginite 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 Ferrotitanowodginite Specimen Label here :

Ferrotitanowodginite

Fe++TiTa2O8
Dana No: 8.1.8.5 Strunz No: IV/D.17-55
Locality:

Notes: