Mendozavilite-NaFe (original) (raw)
A valid IMA mineral species
About Mendozavilite-NaFeHide
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Formula:
[Na2(H2O)15Fe3+(H2O)6][Mo8P2Fe3+3O35(OH)2]
Colour:
Empire yellow; orange; brown
Crystal System:
Monoclinic
Name:
First described from the San Judas Mine, Cumobabi, Moctezuma, Sonora, Mexico by Williams (1986). Named in honor of Heriberto Mendoza Avila (1924– ), Phelps Dodge exploration geologist, who found the first specimen. The name was originally simply mendozavilite; the suffix was added by the IMA in 2010.
Formerly called mendozavilite; redefined in 2010 (IMA 10-E).
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2642:6
659db715-671e-40a3-8353-4dd2697840a1
IMA Classification of Mendozavilite-NaFeHide
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IMA status notes:
Renamed by the IMA
Approval history:
Renamed from mendozavilite to mendozavilite-NaFe in OMA Proposal 10E (CNMNC Newsletter 7)
Type description reference:
Classification of Mendozavilite-NaFeHide
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7.GB.45
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O
49.4.5.1
49 : HYDRATED MOLYBDATES AND TUNGSTATES
4 : Compound Molybdates and Tungstates
22.5.6
22 : Phosphates, Arsenates or Vanadates with other Anions
5 : Phosphates, arsenates or vanadates with chromate, molybdate, niobate or tantalate
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 |
|---|---|---|
| Mdz-NaFe | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Mendozavilite-NaFeHide
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Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Sorry, your browser doesn't support HTML5 audio. | Jolyon Ralph | United Kingdom |
Physical Properties of Mendozavilite-NaFeHide
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Colour:
Empire yellow; orange; brown
Density:
3.85 g/cm3 (Measured) 2.948 g/cm3 (Calculated)
Optical Data of Mendozavilite-NaFeHide
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RI values:
_n_α = 1.762 _n_β = 1.763 _n_γ = 1.766
2V:
Measured: 5° to 15°, Calculated: 62°
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Dispersion:
r > v, extreme
Comments:
In pale yellows.
Comments:
Absorption: Z > Y > X.
Chemistry of Mendozavilite-NaFeHide
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Mindat Formula:
[Na2(H2O)15Fe3+(H2O)6][Mo8P2Fe3+3O35(OH)2]
Crystallography of Mendozavilite-NaFeHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 18.82(12) Å, b = 11.03(14) Å, c = 15.18(12) Å
β = 129.8(3)°
Ratio:
a:b:c = 1.706 : 1 : 1.376
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 9.46 Å | (80) |
| 8.77 Å | (100) |
| 3.676 Å | (50) |
| 3.118 Å | (40) |
| 1.820 Å | (50) |
| 1.552 Å | (40) |
Comments:
San Judas mine, Sonora, Mexico. The data are from the type description.
Geological EnvironmentHide
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Type Occurrence of Mendozavilite-NaFeHide
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General Appearance of Type Material:
Crystals are small (~20 µm) but well-formed.
Place of Conservation of Type Material:
Natural History Museum, London, United Kingdom, number BM 1984,475 (cotype).
Geological Setting of Type Material:
Oxide zone of a pegmatite molybdenum deposit.
Associated Minerals at Type Locality:
Reference:
Williams, S.A. (1986) Mendozavilite and paramendozavilite, two new minerals from Cumobabi, Sonora. Boletín de Mineralogía: 2: 13-19 .
Synonyms of Mendozavilite-NaFeHide
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Other Language Names for Mendozavilite-NaFeHide
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Relationship of Mendozavilite-NaFe to other SpeciesHide
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Other Members of this group:
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.35 | Mpororoite | WAlO3(OH)3 · 2(H2O) | Tric. |
| 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 | 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 |
Fluorescence of Mendozavilite-NaFeHide
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Other InformationHide
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Notes:
Readily soluble in dilute acids (HCl, HNO3, H2SO4) at room-temperature.
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 Mendozavilite-NaFeHide
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References for Mendozavilite-NaFeHide
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Reference List:
Hawthorne, Frank C., Burke, Ernst A. J., Ercit, T. Scott, Grew, Edward S., Grice, Joel D., Jambor, John L., Puziewicz, Jacek, Roberts, Andrew C., Vanko, David A. (1988) New Mineral Names. American Mineralogist, 73 (1-2) 189-199
Kampf, A. R., Mills, S. J., Rumsey, M. S., Dini, M., Birch, W. D., Spratt, J., Pluth, J. J., Steele, I. M., Jenkins, R. A., Pinch, W. W. (2012) The heteropolymolybdate family: structural relations, nomenclature scheme and new species. Mineralogical Magazine, 76 (5) 1175-1207 doi:10.1180/minmag.2012.076.5.09
Localities for Mendozavilite-NaFeHide
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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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