|
|
Ferrowodginite Mineral Data
|
|
|
General Ferrowodginite Information
|
Chemical Formula: |
Fe++SnTa2O8 |
Composition: |
Molecular Weight = 664.45 gm |
|
Tantalum 54.47 % Ta 66.51 % Ta2O5 |
|
Iron 8.41 % Fe 10.81 % FeO |
|
Tin 17.87 % Sn 20.27 % SnO |
|
Oxygen 19.26 % O |
|
______ ______ |
|
100.00 % 97.59 % = TOTAL OXIDE |
Empirical Formula: |
Fe2+SnTa2O8 |
Environment: |
Museum specimens from a granite pegmatite. |
IMA Status: |
Approved IMA 1992 |
Locality: |
Sukula, Tammela, Finland, the exact locality now lost. Link to MinDat.org Location Data. |
Name Origin: |
Named for its content of FERROus iron and its relation to wodginite. |
Name Pronunciation: |
Ferrowodginite + Pronunciation |
Synonym: |
IMA1984-006 |
|
Ferrowodginite Image |
Images:
|
|
Ferrowodginite Crystallography
|
Axial Ratios: |
a:b:c =0.8228:1:0.4378 |
Cell Dimensions: |
a = 9.415, b = 11.442, c = 5.0103, Z = 4; beta = 90.8° V = 539.69 Den(Calc)= 8.18 |
Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
X Ray Diffraction: |
By Intensity(I/Io): 2.97(1), 4.16(0.5), 2.493(0.4), |
|
Physical Properties of Ferrowodginite
|
Cleavage: |
None |
Color: |
Dark brown, Black. |
Diaphaneity: |
Transparent to Translucent |
Hardness: |
5.5 - Knife Blade |
Luster: |
Vitreous (Glassy) |
Streak: |
dark brown |
|
Optical Properties of Ferrowodginite
|
Optical Data: |
NCalc= 2.22 - from Gladstone-Dale relationship (KC = 0.1491) where Ncalc=Dcalc*KC+1 |
|
Calculated Properties of Ferrowodginite
|
Electron Density: |
Bulk Density (Electron Density)=7.04 gm/cc note: Specific Gravity of Ferrowodginite =8.18 gm/cc. |
Fermion Index: |
Fermion Index = 0.03 Boson Index = 0.97 |
Photoelectric: |
PEFerrowodginite = 711.51 barns/electron U=PEFerrowodginite x rElectron Density=5,010.36 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ferrowodginite is Not Radioactive |
|
Ferrowodginite Classification
|
Dana Class: |
08.01.08.02 (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 Ferrowodginite Information
|
References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) |
See Also: |
Links to other databases for Ferrowodginite :
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 Ferrowodginite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Ferrowodginite :
Ask about Ferrowodginite 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
Espaņol
Print or Cut-and-Paste your Ferrowodginite Specimen Label here :
Ferrowodginite
Fe++SnTa2O8
Dana No: 08.01.08.02 Strunz No: 04.DB.40
Locality:
Notes:
|
|
|
|
|
|
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.