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Mengxianminite Mineral Data
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General Mengxianminite Information
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 Chemical Formula: |
(Ca,Na)3(Fe++,Mn++)2Mg2(Sn++++,Zn)5Al8O29 |
| Composition: |
Molecular Weight = 1,474.00 gm |
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Sodium 1.17 % Na 1.58 % Na2O |
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Calcium 6.12 % Ca 8.56 % CaO |
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Magnesium 3.30 % Mg 5.47 % MgO |
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Manganese 1.86 % Mn 2.41 % MnO |
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Aluminum 14.64 % Al 27.67 % Al2O3 |
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Zinc 5.55 % Zn 6.90 % ZnO |
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Iron 5.68 % Fe 7.31 % FeO |
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Tin 30.20 % Sn 38.34 % SnO2 |
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Oxygen 31.48 % O |
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______ ______ |
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100.00 % 98.24 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2.25Na0.75Fe2+1.5Mn2+0.5Mg2Sn3.75Zn1.25Al8O29 |
| Environment: |
Inadequately described species. |
| IMA Status: |
Not Approved IMA - Published 1986 |
| Locality: |
China, location not mentioned. Link to MinDat.org Location Data. |
| Name Origin: |
Presumably named for the locality. |
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Mengxianminite Crystallography
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| Crystal System: |
Orthorhombic Space Group: Unk |
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Physical Properties of Mengxianminite
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| Color: |
Brownish green. |
| Density: |
3.85 |
| Hardness: |
6 - Orthoclase |
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Optical Properties of Mengxianminite
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| Optical Data: |
NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.1734) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Mengxianminite
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| Electron Density: |
Bulk Density (Electron Density)=3.60 gm/cc
note: Specific Gravity of Mengxianminite =3.85 gm/cc.
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| Fermion Index: |
Fermion Index = 0.05
Boson Index = 0.95 |
| Photoelectric: |
PEMengxianminite = 95.30 barns/electron
U=PEMengxianminite x rElectron Density= 343.38 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mengxianminite is Not Radioactive |
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Mengxianminite Classification
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| Dana Class: |
04.00.00.00 (04)Oxide Minerals |
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(04.00)Without Dana Classification Numbers |
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(04.00.00)Oxide |
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04.00.00.00 Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m |
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04.00.00.00 Chubutite* Pb7O6Cl2 Unk Ortho |
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04.00.00.00 Clinobirnessite* Na4Mn14O27•9(H2O) Mono |
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04.00.00.00 Donathite? (Fe,Mg)(Cr,Fe)2O4 P 4/nnm 4/m 2/m 2/m |
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04.00.00.00 IMA2008-022 UO2(OH)2 pseudo-orthorhombic Mono |
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04.00.00.00 Krasnogorite* WO3 Pmnb 2/m 2/m 2/m |
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04.00.00.00 Mengxianminite* (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 Unk Ortho |
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04.00.00.00 Romanite* (Fe,U,Pb)2(Ti,Fe)O4 Trig ? Trig |
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04.00.00.00 Tantalowodginite* (Mn2,[])4Ta4Ta8O32 C 2/c 2/m |
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04.00.00.00 Ungursaite* NaCa5(Ta,Nb)24O65(OH) P 63/m,P 63 Hex |
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04.00.00.00 Wolframoixiolite* (Fe,Mn,Nb)(Nb,W,Ta)O4 Pc m |
| Strunz Class: |
04.CC.60 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.C - Metal:Oxygen = 2:3, 3:5, and Similar |
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04.CC -With large and medium-sized cations |
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04.CC.60 Mengxianminite* (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 Unk Ortho |
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Other Mengxianminite Information
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| See Also: |
Links to other databases for Mengxianminite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
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Print or Cut-and-Paste your Mengxianminite Specimen Label here :
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Mengxianminite
(Ca,Na)3(Fe++,Mn++)2Mg2(Sn++++,Zn)5Al8O29
Dana No: 04.00.00.00 Strunz No: 04.CC.60
Locality:
Notes:
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