Wodginite Group
A group of related mineral species
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About Wodginite Group
Member of:
This page provides mineralogical data about Wodginite Group.
Unique Identifiers
Mindat ID:
46759
Long-form identifier:
mindat:1:1:46759:3
Chemical Analysis
Oxide wt%:
| 1 | 2 | |
|---|---|---|
| Li2O | 0.54 % | |
| FeO | 0.23 % | 7.54 % |
| MnO | 6.23 % | 5.14 % |
| TiO2 | 0.01 % | 6.90 % |
| SnO2 | 8.14 % | 3.82 % |
| Nb2O5 | 3.97 % | 30.18 % |
| Ta2O5 | 80.75 % | 37.56 % |
| WO3 | 2.41 % | |
| ZrO2 | 0.88 % | |
| Fe2O3 | 4.35 % | |
| CaO | 0.02 % | |
| UO2 | 0.38 % | |
| Total: | 99.87 % | 99.18 % |
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 2 | (Fe2+2.211Mn1.524Fe3+0.226U0.030Ca0.009)Σ4.000(Ti1.819Fe3+0.920Ta0.579Sn0.533Zr0.150)Σ4.000(Nb4.781Ta3.000W0.219)Σ8.000O32 |
Sample references:
| ID | Type | Locality | Reference | Notes |
|---|---|---|---|---|
| 1 | Type Specimen | Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA | Hanson, Sarah L., Falster, Alexander U., Simmons, William B “Skip”, Sprague, Raymond, Vignola, Pietro, Rotiroti, Nicola, Andó, Sergio, Hatert, Frédéric (2018) Tantalowodginite, (Mn0.5□0.5)TaTa2O8, a New Mineral Species from the Emmons Pegmatite, Uncle Tom Mountain, Maine, U.S.A. The Canadian Mineralogist, 56 (4) 543-553 doi:10.3749/canmin.1800009 | Average chemical analysis of six electron microprobe analyses |
| 2 | Type Specimen | Average of 8 electron microprobe analyses (WDS) |
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0018780 | Lithiotantite | Menezes L A D, Yang H, Downs R T, Chaves M L S C, Persiano A C (2012) Lithiotantite, ideally LiTa3O8 Acta Crystallographica E68 i27-i28 | ![]() | 2012 | Murundu mine, the Jenipapo District, Itinga, Minas Gerais, Brazil | 0 | 293 |
| 0018738 | Lithiowodginite | Santoro A, Roth R S, Minor D (1977) Neutron powder diffraction study of the intermediate-temperature form of lithium tantalate Acta Crystallographica B33 3945-3947 | ![]() | 1977 | synthetic | 0 | 293 |
| 0005133 | Wodginite | Ferguson R B, Hawthorne F C, Grice J D (1976) The crystal structures of tantalite, ixiolite and wodginite from Bernic lake, Manitoba II. Wodginite The Canadian Mineralogist 14 550-560 | ![]() | 1976 | Bernic lake, Manitoba, Canada | 0 | 293 |
| 0013334 | Lithiowodginite | Gatehouse B M, Negas T, Roth R S (1976) The crystal structure of M-LiTa3O8 and its relationship to the mineral wodginite Journal of Solid State Chemistry 18 1-7 | 1976 | synthetic | 0 | 293 | |
| 0005278 | Wodginite | Ercit T S, Hawthorne F C, Cerny P (1992) The wodginite group. I. Structural crystallography The Canadian Mineralogist 30 597-611 | ![]() | 1992 | 0 | 293 | |
| 0005277 | Wodginite | Ercit T S, Hawthorne F C, Cerny P (1992) The wodginite group. I. Structural crystallography The Canadian Mineralogist 30 597-611 | ![]() | 1992 | 0 | 293 | |
| 0005276 | Wodginite | Ercit T S, Hawthorne F C, Cerny P (1992) The wodginite group. I. Structural crystallography The Canadian Mineralogist 30 597-611 | ![]() | 1992 | 0 | 293 | |
| 0005279 | Lithiowodginite | Ercit T S, Hawthorne F C, Cerny P (1992) The wodginite group. I. Structural crystallography The Canadian Mineralogist 30 597-611 | ![]() | 1992 | 0 | 293 | |
| 0000419 | Wodginite | Graham J, Thornber M R (1974) The crystal chemistry of complex niobium and tantalum oxides II. Composition and structure of wodginite from Wodgina, Australia American Mineralogist 59 1040-1044 | ![]() | 1974 | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Wodginite Group to other Species
Member of:
Other Members of Columbite Supergroup:
| Columbite Group | ||
| Dmitryvarlamovite | Ti2(Fe3+Nb)O8 | Orth. 2 2 2 : P21 21 2 |
| Huangshanite | Fe3+TaO4 | Mon. 2/m : P2/b |
| Ixiolite Group | ||
| Samarskite Group | A3+B3+C5+2O8 | |
| Wolframite Group | Note: "Wolframite" usually has a chemical composition covering the range between Hübnerite and ... | |
| Yttrocolumbite-(Y) | Y(U4+,Fe2+)Nb2O8 |
Wodginite Group Members:
| Achalaite | (Fe2+,Mn)(Ti,Fe3+,Ta)(Nb,Ta)2O8 | Mon. 2/m : B2/b |
| Ferrotitanowodginite | Fe2+TiTa2O8 | Mon. 2/m : B2/b |
| Ferrowodginite | Fe2+Sn4+Ta2O8 | Mon. 2/m : B2/b |
| Lithiotantite | LiTa3O8 | Mon. 2/m : P21/b |
| Lithiowodginite | LiTa3O8 | Mon. 2/m : B2/b |
| Tantalowodginite | (Mn2+0.5◻0.5)TaTa2O8 | Mon. 2/m : B2/b |
| Titanowodginite | Mn2+TiTa2O8 | Mon. 2/m : B2/b |
| Wodginite | Mn2+Sn4+Ta2O8 | Mon. 2/m : B2/b |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Wodginite Group
mindat.org URL:
https://www.mindat.org/min-46759.html
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References for Wodginite Group
Reference List:
Ercit, T. Scott, Hawthorne, , Černý, Petr (1992) The wodginite group. I. Structural crystallography. The Canadian Mineralogist, 30 (3) 597-611
Ercit, T. Scott, Černý, Petr, Hawthorne, Frank C., McCammon, Catherine A. (1992) The wodginite group. II. Crystal chemistry. The Canadian Mineralogist, 30 (3) 613-631
Ercit, T. Scott, Černý, Petr, Hawthorne, Frank C. (1992) The wodginite group. III. Classification and new species. The Canadian Mineralogist, 30 (3) 633-638
Localities for Wodginite Group
Showing 165 localities.
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.








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The
Tanco Mine, Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada