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Nioboixiolite-(Mn2+)
A valid IMA mineral species - pending publication
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About Nioboixiolite-(Mn2+)
Formula:
(Nb0.67Mn2+0.33)O2
Crystal System:
Orthorhombic
Member of:
The Nb-dominant analogue of ixiolite-(Mn2+).
Identification and Analysis
Visual identification or chemical analysis alone are insufficient for identification. Must be differentiated from columbite-(Mn) by structural studies (e.g., X-ray diffraction).
Identification and Analysis
Visual identification or chemical analysis alone are insufficient for identification. Must be differentiated from columbite-(Mn) by structural studies (e.g., X-ray diffraction).
Unique Identifiers
Mindat ID:
470473
Long-form identifier:
mindat:1:1:470473:3
Similar Names
| Nioboixiolite-([]) | A valid IMA mineral species | (Nb0.8◻0.2)4+O2 |
| Nioboixiolite-(Fe2+) | A valid IMA mineral species - pending publication | (Nb0.67Fe2+0.33)O2 |
| Nioboixiolite-(Fe3+) | A valid IMA mineral species | (Nb0.5Fe3+0.5)O2 |
IMA Classification of Nioboixiolite-(Mn2+)
Classification of Nioboixiolite-(Mn2+)
4.DB.
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
Mineral Symbols
As of 2021 there are now IMAāCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Nbix-Mn2+ | IMAāCNMNC | Warr, L.N. (2021). IMAāCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Nioboixiolite-(Mn2+)
Mindat Formula:
(Nb0.67Mn2+0.33)O2
Element Weights:
Elements listed:
Crystallography of Nioboixiolite-(Mn2+)
Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Pbcn
Setting:
Pbcn
Cell Parameters:
a = 4.7559(5) Å, b = 5.7318(5) Å, c = 5.1344(4) Å
Ratio:
a:b:c = 0.83 : 1 : 0.896
Unit Cell V:
139.96 Ć
Ā³ (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.662 Ć | (29) |
| 2.984 Ć | (100) |
| 2.505 Ć | (21) |
| 1.775 Ć | (21) |
| 1.748 Ć | (28) |
| 1.726 Ć | (35) |
| 1.553 Ć | (20) |
| 1.463 Ć | (30) |
Comments:
From Type Description.
Type Occurrence of Nioboixiolite-(Mn2+)
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fers- man Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registra- tion number 5721/1
Synonyms of Nioboixiolite-(Mn2+)
Other Language Names for Nioboixiolite-(Mn2+)
Dutch:Nioboixioliet-(Mn2+)
German:Nioboixiolit-(Mn2+)
Relationship of Nioboixiolite-(Mn2+) to other Species
Member of:
Other Members of Ixiolite Group:
| Ixiolite-(Fe2+) | (Ta0.67Fe2+0.33)O2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Ixiolite-(Mn2+) | (Ta0.67Mn2+0.33)O2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Ixiolite-(Sc) | (Ta0.5Sc0.5)O2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Nioboixiolite-(Fe2+) | (Nb0.67Fe2+0.33)O2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Nioboixiolite-(Fe3+) | (Nb0.5Fe3+0.5)O2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Nioboixiolite-([]) | (Nb0.8ā»0.2)4+O2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Scrutinyite | Ī±-PbO2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Seifertite | SiO2 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Srilankite | TiO2 | Orth. mmm(2/m2/m2/m) : Pbcn |
Related Minerals - Strunz-mindat Grouping
| 4.DB. | Tianhongqiite | CrTiO3(OH) |
| 4.DB. | Nioboheftetjernite | ScNbO4 |
| 4.DB. | Huangshanite | Fe3+TaO4 |
| 4.DB. | Sakhanaiskite | (Fe2+Ti)Nb2O8 |
| 4.DB. | Shakhdaraite-(Y) | ScYNb2O8 |
| 4.DB.05 | Varlamoffite | Sn1-xFexO2-x(OH) |
| 4.DB.05 | Argutite | GeO2 |
| 4.DB.05 | Cassiterite | SnO2 |
| 4.DB.05 | Rutile | TiO2 |
| 4.DB.05 | Plattnerite | PbO2 |
| 4.DB.05 | Tripuhyite | Fe3+Sb5+O4 |
| 4.DB.05 | Tugarinovite | MoO2 |
| 4.DB.05 | Pyrolusite | Mn4+O2 |
| 4.DB.10 | Bystrƶmite | MgSb2O6 |
| 4.DB.10 | OrdoƱezite | ZnSb2O6 |
| 4.DB.10 | Tredouxite | NiSb2O6 |
| 4.DB.10 | Tapiolite-(Mn) | Mn2+Ta2O6 |
| 4.DB.10 | Tapiolite-(Fe) | Fe2+Ta2O6 |
| 4.DB.15a | Paramontroseite | V4+O2 |
| 4.DB.15a | Ramsdellite | Mn4+O2 |
| 4.DB.15b | Akhtenskite | Īµ-Mn4+O2 |
| 4.DB.15c | Nsutite | (Mn4+,Mn2+)(O,OH)2 |
| 4.DB.20 | Scrutinyite | Ī±-PbO2 |
| 4.DB.20 | Nioboixiolite-([]) | (Nb0.8ā»0.2)4+O2 |
| 4.DB.25 | Ishikawaite | U4+Fe2+Nb2O8 |
| 4.DB.25 | Yttrocolumbite-(Y) | Y(U4+,Fe2+)Nb2O8 |
| 4.DB.25 | Calciosamarskite | (Ca,U4+)Fe3+(Nb,Ta,Ti)2O8 |
| 4.DB.25 | Samarskite-(Yb) | YbFe3+(Nb,Ta)2O8 |
| 4.DB.25 | Ixiolite-(Sc) | (Ta0.5Sc0.5)O2 |
| 4.DB.25 | Ixiolite-(Fe2+) | (Ta0.67Fe2+0.33)O2 |
| 4.DB.25 | Ixiolite-(Mn2+) | (Ta0.67Mn2+0.33)O2 |
| 4.DB.25 | Nioboixiolite-(Fe2+) | (Nb0.67Fe2+0.33)O2 |
| 4.DB.25 | Srilankite | TiO2 |
| 4.DB.25 | Samarskite-(Y) | YFe3+Nb2O8 |
| 4.DB.25 | Nioboixiolite-(Fe3+) | (Nb0.5Fe3+0.5)O2 |
| 4.DB.30 va | Wolframite Group | |
| 4.DB.30 | Rossovskyite | (Fe3+,Ta)(Nb,Ti)O4 |
| 4.DB.30 | Huanzalaite | MgWO4 |
| 4.DB.30 | Heftetjernite | ScTaO4 |
| 4.DB.30 | HĆ¼bnerite | MnWO4 |
| 4.DB.30 | Sanmartinite | (Zn,Fe)WO4 |
| 4.DB.30 | Ferberite | FeWO4 |
| 4.DB.30 | 'Krasnoselskite' | CoWO4 |
| 4.DB.35 | Qitianlingite | (Fe,Mn)2(Nb,Ta)2WO10 |
| 4.DB.35 | Tantalaeschynite-(Ce) | Ce(TiTa)O6 |
| 4.DB.35 | Tantalite-(Mg) | (Mg,Fe2+)(Ta,Nb)2O6 |
| 4.DB.35 | Columbite-(Mn) | Mn2+Nb2O6 |
| 4.DB.35 | Tantalite-(Mn) | Mn2+Ta2O6 |
| 4.DB.35 | Columbite-(Fe) | Fe2+Nb2O6 |
| 4.DB.35 | Columbite-(Mg) | (Mg,Fe,Mn)(Nb,Ta)2O6 |
| 4.DB.35 | Tantalite-(Fe) | Fe2+Ta2O6 |
| 4.DB.40 | Ferrotitanowodginite | Fe2+TiTa2O8 |
| 4.DB.40 | 'Wolframowodginite' | Mn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8 |
| 4.DB.40 | Lithiotantite | LiTa3O8 |
| 4.DB.40 | Lithiowodginite | LiTa3O8 |
| 4.DB.40 | Titanowodginite | Mn2+TiTa2O8 |
| 4.DB.40 | Tantalowodginite | (Mn2+0.5ā»0.5)TaTa2O8 |
| 4.DB.40 | Wodginite | Mn2+Sn4+Ta2O8 |
| 4.DB.40 | Ferrowodginite | Fe2+Sn4+Ta2O8 |
| 4.DB.45 | Tivanite | V3+TiO3(OH) |
| 4.DB.50 | Carmichaelite | (Ti,Cr,Fe)[O2-x(OH)x] |
| 4.DB.55 | Alumotantite | AlTaO4 |
| 4.DB.60 | Biehlite | ((Sb,As)O)2[MoO4] |
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 Nioboixiolite-(Mn2+)
mindat.org URL:
https://www.mindat.org/min-470473.html
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References for Nioboixiolite-(Mn2+)
Localities for Nioboixiolite-(Mn2+)
Showing 3 localities.
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ā - 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.
Madagascar | |
| Carnegie Museum of Natural History ... |
Poland | |
| Mil et al. (2026) |
Russia (TL) | |
| Miyawaki et al. (2022) +1 other reference |
Quick NavTopAbout Nioboixiolite-(Mn2+)Unique IdentifiersSimilar NamesIMA Classification Classification Mineral SymbolsChemistry Crystallography X-Ray Powder DiffractionType Occurrence SynonymsOther LanguagesRelationshipsStrunz-MindatOther InformationInternet Links References Localities Locality List
Tsaramanga pegmatite, Mahaiza, Betafo District, Vakinankaratra, Madagascar