Qitianlingite
A valid IMA mineral species
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Formula:
(Fe,Mn)2(Nb,Ta)2WO10
Colour:
Black
Lustre:
Metallic, Sub-Metallic
Hardness:
5½
Specific Gravity:
6.30
Crystal System:
Orthorhombic
Member of:
Name:
Named after its discovery locality.
Type Locality:
Unique Identifiers
Mindat ID:
3334
Long-form identifier:
mindat:1:1:3334:9
IMA Classification of Qitianlingite
Approved
IMA Formula:
Fe2+2Nb5+2W6+O10
Approval year:
1983
Classification of Qitianlingite
4.DB.35
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
8.1.12.1
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
27.4.18
27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Qit | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Qitianlingite
Metallic, Sub-Metallic
Transparency:
Translucent, Opaque
Colour:
Black
Streak:
Dark brown
Hardness:
5½ on Mohs scale
Hardness:
VHN50=520 - 580 kg/mm2 - Vickers
Cleavage:
Distinct/Good
{100}, distinct
{100}, distinct
Density:
6.30 g/cm3 (Measured) 6.423 g/cm3 (Calculated)
Optical Data of Qitianlingite
Type:
Biaxial
Anisotropism:
weak
Bireflectance:
weak
Colour in reflected light:
yellowish white
Chemistry of Qitianlingite
Mindat Formula:
(Fe,Mn)2(Nb,Ta)2WO10
Element Weights:
Crystallography of Qitianlingite
Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Cell Parameters:
a = 23.706(7) Å, b = 5.723(2) Å, c = 5.045(3) Å
Ratio:
a:b:c = 4.142 : 1 : 0.882
Unit Cell V:
684.45 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space Group: P bcn
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) |
|---|---|---|---|---|---|---|---|
| 0014177 | Qitianlingite | Zhizhong P, Su W, Zhesheng M, Guangming Y (1988) The crystal structure of qitianlingite (Fe2Nb2WO10) Kexue Tongbao 33 856-861 | 1988 | Qitianling, Hunan Province, China | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.96 Å | (10) |
| 1.773 Å | (8) |
| 3.65 Å | (7) |
| 2.52 Å | (7) |
| 2.87 Å | (6) |
| 1.385 Å | (6) |
| 1.194 Å | (6) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 34 : Complex granite pegmatites |
Type Occurrence of Qitianlingite
Place of Conservation of Type Material:
National Museum of Geology, Beijing, China.
Geological Setting of Type Material:
pegmatite dike in granite
Associated Minerals at Type Locality:
Synonyms of Qitianlingite
Other Language Names for Qitianlingite
Relationship of Qitianlingite to other Species
Member of:
Other Members of Columbite Group:
| Columbite-(Fe) | Fe2+Nb2O6 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Columbite-(Mg) | (Mg,Fe,Mn)(Nb,Ta)2O6 | Orth. |
| Columbite-(Mn) | Mn2+Nb2O6 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Tantalite-(Fe) | Fe2+Ta2O6 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Tantalite-(Mg) | (Mg,Fe2+)(Ta,Nb)2O6 | Orth. mmm(2/m2/m2/m) : Pbcn |
| Tantalite-(Mn) | Mn2+Ta2O6 | 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. | Nioboixiolite-(Mn2+) | (Nb0.67Mn2+0.33)O2 |
| 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 | Byströmite | MgSb2O6 |
| 4.DB.10 | Ordoñezite | 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 | ε-Mn4+O2 |
| 4.DB.15c | Nsutite | (Mn4+,Mn2+)(O,OH)2 |
| 4.DB.20 | Scrutinyite | α-PbO2 |
| 4.DB.20 | Nioboixiolite-([]) | (Nb0.8◻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 | Hübnerite | MnWO4 |
| 4.DB.30 | Sanmartinite | (Zn,Fe)WO4 |
| 4.DB.30 | Ferberite | FeWO4 |
| 4.DB.30 | 'Krasnoselskite' | CoWO4 |
| 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+0.5◻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
Notes:
moderately magnetic
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 Qitianlingite
mindat.org URL:
https://www.mindat.org/min-3334.html
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References for Qitianlingite
Reference List:
Localities for Qitianlingite
Showing 14 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.
Brazil | |
| Fletcher et al. (2004) |
Canada | |
| Breasley et al. (2024) |
| Dixon et al. (2014) +1 other reference |
China | |
| Duan et al. (2025) |
| Guangming Yang et al. (1985) |
| Wenlan Zhang et al. (2003) |
| YIN et al. (2021) |
Czech Republic | |
| Dolníček et al. (2024) |
| Scarlett Urbanová (2021) |
France | |
| Marcoux et al. (2021) |
Germany | |
| Färber (n.d.) |
Slovakia | |
| Petrik et al. (2011) |
| Koděra et al. (1986) +1 other reference |
UK | |
| Williamson et al. (1997) +1 other reference |
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