Mpororoite (original) (raw)
A valid IMA mineral species
About MpororoiteHide
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Formula:
WAlO3(OH)3 · 2(H2O)
Name:
Named by O. von Knorring, T.G. Sahama, and M. Lehtinen in 1972 for the type locality; the Mpororo tungsten deposit in Uganda.
This page provides mineralogical data about Mpororoite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2800:0
4a697de7-88f4-450c-9926-6fee892e8dc9
IMA Classification of MpororoiteHide
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IMA Formula:
Al2O(WO4)2 · 6H2O
Classification of MpororoiteHide
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7.GB.35
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O
49.3.4.1
49 : HYDRATED MOLYBDATES AND TUNGSTATES
3 : Hydrated Molybdates and Tungstates Containing Hydroxyl or Halogen
27.4.5
27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Mpo | 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 MpororoiteHide
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Chemistry of MpororoiteHide
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Mindat Formula:
WAlO3(OH)3 · 2(H2O)
Crystallography of MpororoiteHide
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Cell Parameters:
a = 9.4 Å, b = 11.46 Å, c = 8.2 Å
α = 94.2°, β = 89.45°, γ = 95.1°
Ratio:
a:b:c = 0.82 : 1 : 0.716
Unit Cell V:
877.47 ų (Calculated from Unit Cell)
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.21 Å | (100) |
| 6.18 Å | (16) |
| 5.69 Å | (18) |
| 4.20 Å | (17) |
| 4.09 Å | (19) |
| 3.084 Å | (90b) |
| 2.357 Å | (15) |
Geological EnvironmentHide
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Type Occurrence of MpororoiteHide
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General Appearance of Type Material:
Platy, very fine grained, powdery.
Geological Setting of Type Material:
Alteration products from a tungsten deposit
Associated Minerals at Type Locality:
Synonyms of MpororoiteHide
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Other Language Names for MpororoiteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 7.GB. | Wangpuite | K3(PO4)(Mo12O36) | Iso. m_3_m _(_4/_m_32/m ) : P n_3_m |
|---|---|---|---|
| 7.GB. | Natromolybdite | Na2MoO4 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
| 7.GB. | Ootannite | Th4+2W6+4O16 · 5H2O | Mon. 2/m : _P_21/b |
| 7.GB.05 | Lindgrenite | Cu3(MoO4)2(OH)2 | Mon. 2/m : _P_21/m |
| 7.GB.10 | Szenicsite | Cu3(MoO4)(OH)4 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
| 7.GB.15 | Cuprotungstite | Cu2(WO4)(OH)2 | Tet. 422 : _P_41212 |
| 7.GB.15 | UM1999-38-WO:CrV | (V, Cr, W, O, H) [V:Cr:W ratio about 2:1:3] | |
| 7.GB.15 | Huenite | Cu4(MoO4)3(OH)2 | Trig. 3_m_ : P_31_c |
| 7.GB.20 | Phyllotungstite | (H2O,M)x(W,Fe)(O,OH)3 · yH2O (M = Ca, Cs, Pb or K) | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 7.GB.25 | Rankachite | Ca0.5(V4+,V5+)(W6+,Fe3+)2O8(OH) · 2H2O | Mon. 2/m : _P_21/m |
| 7.GB.30 | Ferrimolybdite | Fe2(MoO4)3 · nH2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n |
| 7.GB.35 | Anthoinite | AlWO3(OH)3 | Tric. 1 |
| 7.GB.40 | Obradovicite-KCu | [K2(H2O)17Cu(H2O)6][Mo8As2Fe3+3O34(OH)3] | Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a |
| 7.GB.45 | Mendozavilite-NaFe | [Na2(H2O)15Fe3+(H2O)6][Mo8P2Fe3+3O35(OH)2] | Mon. 2/m : _B_2/m |
| 7.GB.45 | Paramendozavilite | [KAl4(H2O)30][Mo12P6Fe3+6O60(OH)13] | Mon. |
| 7.GB.45 | Obradovicite-NaCu | Na2(H2O)17Cu(H2O)6][Mo8As2Fe3+3O34(OH)3] | Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a |
| 7.GB.45 | Obradovicite-NaNa | [Na2(H2O)16Na(H2O)6][Mo8As2Fe3+3O33(OH)4] | Orth. |
| 7.GB.50 | Tancaite-(Ce) | FeCe(MoO4)3 · 3H2O | Trig. 3 : _R_3 |
| 7.GB.50 | Mendozavilite-NaCu | [Na2(H2O)15Cu(H2O)6][Mo8P2Fe3+3O34(OH)3] | Mon. 2/m : _B_2/m |
| 7.GB.50 | Mendozavilite-KCa | [K2(H2O)15Ca(H2O)6][Mo8P2Fe3+3O34(OH)3] | Mon. 2/m : _B_2/m |
| 7.GB.60 | Peterandresenite | Mn4Nb6O19 · 14H2O | Mon. 2/m : _B_2/m |
| 7.GB.60 | Melcherite | Ba2Na2Mg[Nb6O19] · 6H2O | Trig. 3 : _R_3 |
| 7.GB.60 | Hansesmarkite | Ca2Mn2Nb6O19 · 20H2O | Tric. 1 : _P_1 |
| 7.GB.65 | Ichnusaite | Th(MoO4)2 · 3H2O | Mon. 2/m : _P_21/b |
| 7.GB.70 | Markascherite | Cu3(MoO4)(OH)4 | Mon. 2/m : _P_21/m |
| 7.GB.75 | Nuragheite | Th(MoO4)2 · H2O | Mon. 2/m : _P_21/b |
| 7.GB.80 | Ophirite | Ca2Mg4[Zn2Mn3+2(H2O)2(Fe3+W9O34)2] · 46H2O | Tric. 1 : _P_1 |
Other InformationHide
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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 MpororoiteHide
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References for MpororoiteHide
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Reference List:
Dunn, Pete J., Ferraiolo, James A., Fleischer, Michael, Gobel, Volker, Grice, Joel D., Langley, Richard H., Shigley, James E., Vanko, David A., Zilczer, Janet A. (1985) New mineral names. American Mineralogist, 70 (11-12) 1329-1335
SHIMOBAYASHI, Norimasa, OHNISHI, Masayuki, TSURUTA, Kenji (2012) Secondary tungsten minerals in quartz veins in the Ishidera area, Wazuka, Kyoto Prefecture, Japan: anthoinite, mpororoite, and Fe-free hydrokenoelsmoreite. Journal of Mineralogical and Petrological Sciences, 107 (1) 33-38 doi:10.2465/jmps.111020f
Localities for MpororoiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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