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Wolframoixiolite Mineral Data + |
General Wolframoixiolite Information |
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| (Fe,Mn,Nb)(Nb,W,Ta)O4 | |||
| Molecular Weight = 242.98 gm | |||
| Tantalum 7.45 % Ta 9.09 % Ta2O5 | |||
| Manganese 6.78 % Mn 8.76 % MnO | |||
| Niobium 22.94 % Nb 32.82 % Nb2O5 | |||
| Iron 13.79 % Fe 17.74 % FeO | |||
| Tungsten 22.70 % W 28.63 % WO3 | |||
| Oxygen 26.34 % O | |||
| ______ ______ | |||
| 100.00 % 97.04 % = TOTAL OXIDE | |||
| Fe2+0.6Mn2+0.3Nb0.6W0.3Ta0.1O4 | |||
| Not Approved IMA | |||
| Link to MinDat.org Location Data. | |||
Wolframoixiolite Image | |||
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Wolframoixiolite Crystallography |
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| a:b:c =0.8239:1:0.8901 | |||
| a = 4.674, b = 5.673, c = 5.05, Z = 2; beta = 90° V = 133.90 Den(Calc)= 6.03 | |||
| Monoclinic - DomaticH-M Symbol (m) Space Group: Pc | |||
| By Intensity(I/Io): 2.963(1), 1.716(0.7), 3.641(0.7), | |||
Physical Properties of Wolframoixiolite |
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| [???] Perfect | |||
| Black. | |||
| 6.3 - 6.55, Average = 6.42 | |||
| Opaque | |||
| 5-6 - Between Apatite and Orthoclase | |||
| Sub Metallic | |||
| brownish black | |||
Optical Properties of Wolframoixiolite |
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| NCalc= 2.21 - from Gladstone-Dale relationship (KC = 0.2012) where Ncalc=Dcalc*KC+1 NCalc= 2.29 - from Gladstone-Dale relationship (KC = 0.2012) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Wolframoixiolite |
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relectron=5.42 gm/cc |
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| Fermion Index = 0.03547 Boson Index = 0.96453 |
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PEWolframoixiolite = 400.22 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Wolframoixiolite is Not Radioactive |
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Wolframoixiolite Classification |
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| 4.0.0.0 (4)Oxide Minerals | |||
| (4.0)Without Dana Classification Numbers | |||
| (Oxide) | |||
| IV/D.16-40 IV - Oxides | |||
| IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds) | |||
| IV/D.16 - Wolframite series | |||
Other Wolframoixiolite Information |
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| PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Wolframoixiolite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas Search for Wolframoixiolite using: Visit our Advertisers for Wolframoixiolite : Translate Wolframoixiolite Mineral Data : Ask about Wolframoixiolite here : Print or Cut-and-Paste your Wolframoixiolite Specimen Label here :
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