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 |
Locality: |
China, location not mentioned. Link to MinDat.org Location Data. |
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Mengxianminite Crystallography
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Crystal System: |
OrthorhombicSpace 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: |
relectron=3.60 gm/cc note: rMengxianminite =3.85 gm/cc. |
Fermion Index |
Fermion Index = 0.0572 Boson Index = 0.9428 |
Photoelectric: |
PEMengxianminite = 95.30 barns/electron U=PEMengxianminite x relectron= 343.38 barns/cc. |
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: |
4.0.0.0 (4)Oxide Minerals |
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(4.0)Without Dana Classification Numbers |
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(Oxide) |
Strunz Class: |
IV/C.07-60 IV - Oxides |
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IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds) |
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IV/C.07 - Högbomite - Mengxianminite series |
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IV/C.07-10* Magnesiohogbomite-2N2S (Al,Fe,Fe,Mg,Ti,Zn)11O15(OH) P 63mc 6mm |
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IV/C.07-10** Magnesiohogbomite-2N3S (Mg,Fe)1.4Ti0.3Al4O8 P 63mc 6mm |
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IV/C.07-10 Magnesiohogbomite-6N6S (Mg,Fe)1.4Ti0.3Al4O8 R 3m 3 2/m |
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IV/C.07-15 Zincohogbomite-2N2S! (Zn,Fe)(2-2x)(Ti)xAl4O8 P 63mc 6mm |
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IV/C.07-17 Ferrohogbomite-2N2S! (Fe,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 P 63mc 6mm |
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IV/C.07-20 Freudenbergite Na2Fe2Ti6O16 C 2/m 2/m |
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IV/C.07-30 Kamiokite Fe2Mo3O8 P 63mc 6mm |
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IV/C.07-40 Nolanite (V,Fe,Fe,Ti)10O14(OH)2 P 63mc 6mm |
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IV/C.07-42 Rinmanite! (Zn,Mn)2Sb2Mg2Fe4O14(OH)2 P 63mc 6mm |
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IV/C.07-45 Magnesionigerite-2N1S (Mg,Zn,Fe,Al)4(Sn,Fe)2Al10O22(OH)2 P 3m 3 2/m |
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IV/C.07-45* Magnesionigerite-6N6S (Mg,Zn,Fe,Al)4(Sn,Fe)2Al10O22(OH)2 Unk Trig |
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IV/C.07-50 Ferronigerite-2N1S (Zn,Mg,Fe)(Sn,Zn)2(Al,Fe)12O22(OH)2 P 3m or P 3m1 3 2/m
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IV/C.07-50* Ferronigerite-6N6S (Fe,Zn)4Sn2(Al,Fe)15O30(OH)2 R 3m 3 2/m |
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IV/C.07-60 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 -Google Images
5 -Google Scholar
6 -MinDAT
7 -MinMax(Deutsch)
8 -MinMax(English)
9 -Mineralienatlas (Deutsch)
10 -QUT Mineral Atlas
11 -École des Mines de Paris
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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: Unknown Strunz No: IV/C.07-60
Locality:
Notes:
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