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Manganostibite Mineral Data

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General Manganostibite Information

Help on Chemical  Formula: Chemical Formula: (Mn++,Fe++)7(SbO4)(AsO4,SiO4)O4
Help on Composition: Composition: Molecular Weight = 764.25 gm
   Manganese  28.75 %  Mn   37.13 % MnO
   Iron       21.92 %  Fe   28.20 % FeO
   Silicon     0.92 %  Si    1.97 % SiO2
   Antimony   15.93 %  Sb   21.16 % Sb2O5
   Arsenic     7.35 %  As   11.28 % As2O5
   Oxygen     25.12 %  O
             ______        ______ 
             100.00 %       99.74 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+4Fe2+3(SbO4)(AsO4)0.75(SiO4)0.25O4
Help on Environment: Environment: Late-stage hydrothermal veins in manganese deposits in limestone.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1884
Help on Locality: Locality: Moss and Brattfors mines, near Nordmark, V´┐Żarmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the MANGANese and antimony, STIBium, in the composition.
Help on Name Pronunciation: Name Pronunciation: Manganostibite Say MANGANOSTIBITE
Help on Synonym: Synonym: ICSD 15181
  PDF 23-1236
 

Manganostibite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.4625:1:0.3214
Help on Cell Dimensions: Cell Dimensions: a = 8.72, b = 18.85, c = 6.06, Z = 4; V = 996.09 Den(Calc)= 5.10
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Ibmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.651(1), 4.38(0.6), 4.965(0.6),
 

Physical Properties of Manganostibite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Black.
Help on Density: Density: 4.949
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Luster: Luster: Greasy (Oily)
Help on Streak: Streak: brown
 

Optical Properties of Manganostibite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.054 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.022 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.185,KPDmeas= 0.1906,KC= 0.1809
Ncalc = 1.9 - 1.92
Help on Optical Data: Optical Data: Biaxial (-), a=1.92, b=1.95, g=1.96, bire=0.0400
 

Calculated Properties of Manganostibite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.71 gm/cc
note: Specific Gravity of Manganostibite =5.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0051971624
Boson Index = 0.9948028376
Help on Photoelectric: Photoelectric: PEManganostibite = 70.43 barns/electron
U=PEManganostibite x rElectron Density= 332.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Manganostibite is Not Radioactive
 

Manganostibite Classification

Help on  Dana Class: Dana Class: 44.03.02.01 (44)Antimonates
  (44.03)with miscellaneous formulae
  (44.03.02)Dana Group
 
44.03.02.01 Manganostibite (Mn,Fe)7(SbO4)(AsO4,SiO4)O4 Ibmm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.BA.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.B - Metal:Oxygen = 3:4 and similar
  04.BA -With small and medium-sized cations
 
04.BA.10 Manganostibite (Mn,Fe)7(SbO4)(AsO4,SiO4)O4 Ibmm 2/m 2/m 2/m
 

Other Manganostibite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Manganostibite :
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 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Manganostibite Specimen Label here :

Manganostibite

(Mn++,Fe++)7(SbO4)(AsO4,SiO4)O4
Dana No: 44.03.02.01 Strunz No: 04.BA.10
Locality:

 

Notes:

 

 
   
 


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