Qitianlingite Mineral Data + 
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- 8.1.12.1 Qitianlingite Fe2Nb2WO10 P bcn 2/m 2/m 2/m
- 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
General Qitianlingite Information |
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 Chemical Formula: |
Fe++2Nb2W++++++O10 | ||
| Composition: |
Molecular Weight = 641.35 gm | ||
| Niobium 28.97 % Nb 41.45 % Nb2O5 | |||
| Iron 17.42 % Fe 22.40 % FeO | |||
| Tungsten 28.67 % W 36.15 % WO3 | |||
| Oxygen 24.95 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Fe2+2Nb2WO10 | ||
| IMA Status: |
Approved IMA 1985 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 65617 | ||
| PDF 41-1415 | |||
Search for Qitianlingite Images | |||
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Images:
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Qitianlingite Crystallography |
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| Axial Ratios: |
a:b:c =4.1422:1:0.8815 | ||
| Cell Dimensions: |
a = 23.706, b = 5.723, c = 5.045, Z = 4; V = 684.45 Den(Calc)= 6.22 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bcn | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.96(1), 1.773(0.8), 3.65(0.7), | ||
Physical Properties of Qitianlingite |
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| Color: |
Black. | ||
| Density: |
6.42 | ||
| Diaphaniety: |
Opaque | ||
| Hardness: |
5.5 - Knife Blade | ||
| Luster: |
Sub Metallic | ||
Optical Properties of Qitianlingite |
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| Optical Data: |
NCalc= 2.34 - from Gladstone-Dale relationship (KC = 0.215) where Ncalc=Dcalc*KC+1 NCalc= 2.38 - from Gladstone-Dale relationship (KC = 0.215) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Qitianlingite |
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| Electron Density: |
relectron=5.59 gm/cc |
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| Fermion Index |
Fermion Index = 0.04474 Boson Index = 0.95526 |
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| Photoelectric: |
PEQitianlingite = 395.63 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Qitianlingite is Not Radioactive |
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Qitianlingite Classification |
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| Dana Class: |
8.1.12.1 (8)Multiple Oxides with Nb, Ta, and Ti | ||
| (8.1)where A BO4 | |||
| (8.1.12)Dana Group | |||
| Strunz Class: |
IV/D.17-10 IV - Oxides | ||
| IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds) | |||
| IV/D.17 - Qitianglinite - Lithiowodginite series | |||
Other Qitianlingite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Qitianlingite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Qitianlingite using: Visit our Advertisers for Qitianlingite : Translate Qitianlingite Mineral Data : Ask about Qitianlingite here : Print or Cut-and-Paste your Qitianlingite Specimen Label here :
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