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Plumboferrite Mineral Data
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General Plumboferrite Information
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 Chemical Formula: |
Pb2Fe+++(11-x)Mn++xO19-2x (x=1/3) |
| Composition: |
Molecular Weight = 1,314.19 gm |
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Magnesium 0.18 % Mg 0.31 % MgO |
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Manganese 0.84 % Mn 1.08 % MnO |
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Iron 45.05 % Fe 64.40 % Fe2O3 |
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Lead 31.53 % Pb 33.97 % PbO |
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Oxygen 22.40 % O |
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______ ______ |
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100.00 % 99.76 % = TOTAL OXIDE |
| Empirical Formula: |
Pb2Mn2+0.2Mg0.1Fe3+10.6O18.4 |
| Environment: |
In metamorphosed lead-bearing Fe-Mn orebodies. Occurs with jacobsite. |
| IMA Status: |
Valid Species (Pre-IMA) 1881 |
| Locality: |
Jakobsberg, Nordmark, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
From the Latin (PLUMum) for lead and FERROus iron in the composition. |
| Name Pronunciation: |
Plumboferrite + Pronunciation  |
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Plumboferrite Crystallography
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| Axial Ratios: |
a:c = 1:3.97083 |
| Cell Dimensions: |
a = 5.931, c = 23.551, Z = 2; V = 717.46 Den(Calc)= 6.08 |
| Crystal System: |
Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
| X Ray Diffraction: |
By Intensity(I/Io): 2.9438(1), 3.922(0.85), 2.8132(0.3), |
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Physical Properties of Plumboferrite
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| Cleavage: |
{0001} Good |
| Color: |
Black. |
| Density: |
6 |
| Diaphaneity: |
Opaque |
| Habit: |
Crystalline - Coarse - Occurs as well-formed coarse sized crystals. |
| Habit: |
Tabular - Form dimensions are thin in one direction. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
dark reddish black |
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Optical Properties of Plumboferrite
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| Optical Data: |
Uniaxial (-). |
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NCalc= 2.52 - from Gladstone-Dale relationship (KC = 0.2508) where Ncalc=Dcalc*KC+1
NCalc= 2.5 - from Gladstone-Dale relationship (KC = 0.2508) where Ncalc=Dmeas*KC+1
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| RL Bireflectance: |
Weak. |
| RL Color: |
Light gray. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Plumboferrite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
27.30 |
29.40 |
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| 420 nm |
26.90 |
28.70 |
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| 440 nm |
26.50 |
28.00 |
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| 460 nm |
26.10 |
27.50 |
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| 480 nm |
25.80 |
26.90 |
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| 500 nm |
25.50 |
26.40 |
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| 520 nm |
25.20 |
25.90 |
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| 540 nm |
24.90 |
25.50 |
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| 560 nm |
24.60 |
25.00 |
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| 580 nm |
24.10 |
24.60 |
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| 600 nm |
23.60 |
24.00 |
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| 620 nm |
23.10 |
23.50 |
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| 640 nm |
22.60 |
23.00 |
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| 660 nm |
22.20 |
22.60 |
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| 680 nm |
21.80 |
22.10 |
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| 700 nm |
21.40 |
21.70 |
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Calculated Relative Intensity Colors of Plumboferrite in Air
Relative
Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
360% |
380% |
| R1 |
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| R2 |
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Calculated Properties of Plumboferrite
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| Electron Density: |
Bulk Density (Electron Density)=5.49 gm/cc
note: Specific Gravity of Plumboferrite =6.08 gm/cc.
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| Fermion Index: |
Fermion Index = 0.07
Boson Index = 0.93 |
| Photoelectric: |
PEPlumboferrite = 551.13 barns/electron
U=PEPlumboferrite x rElectron Density=3,024.02 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Plumboferrite is Not Radioactive |
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Plumboferrite Classification
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| Dana Class: |
07.11.05.01 (07)Multiple Oxides |
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(07.11)as titano-oxides with [4] and [6] substitutions |
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(07.11.05)Dana Group |
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07.11.05.01 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 63/mmc 6/m 2/m 2/m |
| Strunz Class: |
04.CC.45 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.45 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Diaoyudaoite NaAl11O17 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Magnetoplumbite Pb(Fe,Mn)12O19 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Haggertyite! Ba[Fe6Ti5Mg]O19 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Lindqvistite Pb2(Mn,Mg)Fe16027 P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 63/mmc 6/m 2/m 2/m |
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04.CC.45 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 63/mmc 6/m 2/m 2/m |
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Other Plumboferrite Information
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| References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
| See Also: |
Links to other databases for Plumboferrite :
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
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Plumboferrite
Pb2Fe+++(11-x)Mn++xO19-2x (x=1/3)
Dana No: 07.11.05.01 Strunz No: 04.CC.45
Locality:
Notes:
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