Mineralogy Database

Mengxianminite Mineral Data

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General Mengxianminite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na)3(Fe++,Mn++)2Mg2(Sn++++,Zn)5Al8O29
Help on Composition: Composition: Molecular Weight = 1,474.00 gm
   Sodium      1.17 %  Na    1.58 % Na2O
   Calcium     6.12 %  Ca    8.56 % CaO
   Magnesium   3.30 %  Mg    5.47 % MgO
   Manganese   1.86 %  Mn    2.41 % MnO
   Aluminum   14.64 %  Al   27.67 % Al2O3
   Zinc        5.55 %  Zn    6.90 % ZnO
   Iron        5.68 %  Fe    7.31 % FeO
   Tin        30.20 %  Sn   38.34 % SnO2
   Oxygen     31.48 %  O
             ______        ______ 
             100.00 %       98.24 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2.25Na0.75Fe2+1.5Mn2+0.5Mg2Sn3.75Zn1.25Al8O29
Help on Environment: Environment: Inadequately described species.
Help on IMA Status: IMA Status: Not Approved IMA - Published 1986
Help on Locality: Locality: China, location not mentioned. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Presumably named for the locality.

Mengxianminite Crystallography

Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk

Physical Properties of Mengxianminite

Help on Color: Color: Brownish green.
Help on Density: Density: 3.85
Help on Hardness: Hardness: 6 - Orthoclase

Optical Properties of Mengxianminite

Help on Optical Data: Optical Data: NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.1734) where Ncalc=Dmeas*KC+1

Calculated Properties of Mengxianminite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.60 gm/cc
note: Specific Gravity of Mengxianminite =3.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEMengxianminite = 95.30 barns/electron
U=PEMengxianminite x rElectron Density= 343.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mengxianminite is Not Radioactive

Mengxianminite Classification

Help on  Dana Class: Dana Class: (04)Oxide Minerals
  (04.00)Without Dana Classification Numbers
  (04.00.00)Oxide Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m Chubutite* Pb7O6Cl2 Unk Ortho Clinobirnessite* Na4Mn14O27•9(H2O) Mono Donathite? (Fe,Mg)(Cr,Fe)2O4 P 4/nnm 4/m 2/m 2/m IMA2008-022 UO2(OH)2 pseudo-orthorhombic Mono Krasnogorite* WO3 Pmnb 2/m 2/m 2/m Mengxianminite* (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 Unk Ortho Romanite* (Fe,U,Pb)2(Ti,Fe)O4 Trig ? Trig Tantalowodginite* (Mn2,[])4Ta4Ta8O32 C 2/c 2/m Ungursaite* NaCa5(Ta,Nb)24O65(OH) P 63/m,P 63 Hex Wolframoixiolite* (Fe,Mn,Nb)(Nb,W,Ta)O4 Pc m
Help on  Strunz Class: Strunz Class: 04.CC.60 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CC -With large and medium-sized cations
04.CC.60 Mengxianminite* (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 Unk Ortho

Other Mengxianminite Information

Help on See Also: 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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Dana No: Strunz No: 04.CC.60





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