Magnetoplumbite Mineral Data + Say MAGNETOPLUMBITE


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General Magnetoplumbite Information
Help on Chemical Formula: Chemical Formula: Pb(Fe+++,Mn+++)12O19
Help on Composition: Composition: Molecular Weight = 1,181.26 gm
   Calcium     0.34 %  Ca    0.47 % CaO
   Titanium    2.43 %  Ti    4.06 % TiO2
   Manganese  14.88 %  Mn    3.60 % MnO / 17.37 % Mn2O3
   Aluminum    0.91 %  Al    1.73 % Al2O3
   Iron       36.40 %  Fe   52.05 % Fe2O3
   Lead       19.29 %  Pb   20.78 % PbO
   Oxygen     25.73 %  O
             ______        ______ 
             100.00 %      100.07 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb1.1Fe3+7.7Mn3+2.6Mn2+0.6Ti0.6Al0.4Ca0.1O19
Help on Environment: Environment: In skarns associated with metamorphosed Fe-Mn orebodies.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1925
Help on Locality: Locality: Langbanshyttan, Vermland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for being a MAGNETic oxide of iron, manganese, and lead, "plumbum."
 

Magnetoplumbite Image

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Magnetoplumbite

Comments: Black magnetoplumbite masses in calcite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnetoplumbite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.91741
Help on Cell Dimensions: Cell Dimensions: a = 5.873, c = 23.007, Z = 2; V = 687.24 Den(Calc)= 5.71
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.63(1), 2.77(1), 1.62(0.7),
Click Here for Large Magnetoplumbite Structure Window Crystal Structure:

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Moore P B , Sen Gupta P K , Le Page Y , American Mineralogist , 74 (1989) p.1186-1194, Magnetoplumbite, PbFe12O19: Refinement and lone-pair splitting, Note: Symmetry constraints on U(i,j) for Fe5, O4 and O5 were incorrect,, and likely were refined wrong., They have been replaced with their isotropic equivalents.

View Additional jPOWD Structure files for Magnetoplumbite
[1]
 

Physical Properties of Magnetoplumbite

Help on Cleavage: Cleavage: [0001] Good
Help on Color: Color: Grayish black, Black.
Help on Density: Density: 5.517
Help on Diaphaniety: Diaphaniety: Opaque
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Strongly magnetic
Help on Streak: Streak: dark brown
 

Optical Properties of Magnetoplumbite

Help on Optical Data: Optical Data: Uniaxial (?).
  NCalc= 2.51 - from Gladstone-Dale relationship (KC = 0.2644) where Ncalc=Dcalc*KC+1
NCalc= 2.46 - from Gladstone-Dale relationship (KC = 0.2644) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Distinct.
Help on RL Color: RL Color: Gray.
Help on RL Pleochroism: RL Pleochroism: Weak.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Magnetoplumbite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   25.60   28.50 
   
 420 nm   25.10   27.60 
 440 nm   24.60   26.70 
 460 nm   24.20   26.00 
 480 nm   23.80   25.60 
 500 nm   23.60   25.30 
 520 nm   23.30   25.00 
 540 nm   23.00   24.60 
 560 nm   22.70   24.20 
 580 nm   22.30   23.80 
 600 nm   22.00   23.50 
 620 nm   21.70   23.20 
 640 nm   21.30   22.80 
 660 nm   21.10   22.60 
 680 nm   20.90   22.30 
 700 nm   20.70   22.20 
Calculated Relative Intensity Colors of Magnetoplumbite in Air
Relative
Intensity		    0%   50% 100% 150% 200% 250% 300% 350% 400%
R1                  
R2                  
 

Calculated Properties of Magnetoplumbite

Help on Electron Density: Electron Density:

relectron=5.25 gm/cc
note: rMagnetoplumbite =5.71 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.05363
Boson Index = 0.94637
Help on Photoelectric: Photoelectric:

PEMagnetoplumbite = 338.31 barns/electron
U=PEMagnetoplumbite x relectron=1,775.30 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Magnetoplumbite is Not Radioactive
 

Magnetoplumbite Classification
Help on Dana Class: Dana Class: 7.4.2.1 (7)Multiple Oxides
  (7.4)with O19 groups
  (7.4.2)(Hexagonal, P63/mmc) Strongly Magnetic
 
7.4.2.1 Magnetoplumbite Pb(Fe,Mn)12O19 P 63/mmc 6/m 2/m 2/m
 
7.4.2.2 Haggertyite! Ba[Fe6Ti5Mg]O19 P 63/mmc 6/m 2/m 2/m
 
7.4.2.3 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 63/mmc 6/m 2/m 2/m
 
7.4.2.4 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 63/mmc 6/m 2/m 2/m
Help on Strunz Class: Strunz Class: IV/C.08-40 IV - Oxides
  IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds)
  IV/C.08 - Yimngite - Otjisumeite series
 
IV/C.08-10 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-20 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-22 Haggertyite! Ba[Fe6Ti5Mg]O19 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-25 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-30 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-35 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-40 Magnetoplumbite Pb(Fe,Mn)12O19 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-45 Zenzenite Pb3(Fe,Mn)4Mn3O15 P 63/mcm 6/m 2/m 2/m
 
IV/C.08-47 Lindqvistite Pb2(Mn,Mg)Fe16027 P 63/mmc 6/m 2/m 2/m
 
IV/C.08-50 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 63/mmc 6/m 2/m 2/m
 
IV/C.08-60 Bartelkeite PbFeGe3O8 P 21,P 21/m Mono
 
IV/C.08-70 Otjisumeite PbGe4O9 P1,P 1 Tri
 

Other Magnetoplumbite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Magnetoplumbite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - Scandinavian mineral gallery 13 - WWW-MINCRYST 14 -École des Mines de Paris

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Magnetoplumbite

Pb(Fe+++,Mn+++)12O19
Dana No: 7.4.2.1 Strunz No: IV/C.08-40
Locality:

 

Notes:

 
 
   
 
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