General Nezilovite Information
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Chemical Formula: |
PbZn2(Mn++++,Ti++++)2Fe+++8O19 |
Composition: |
Molecular Weight = 1,195.09 gm |
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Titanium 2.00 % Ti 3.34 % TiO2 |
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Manganese 6.90 % Mn 10.91 % MnO2 |
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Zinc 10.94 % Zn 13.62 % ZnO |
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Iron 37.38 % Fe 53.45 % Fe2O3 |
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Lead 17.34 % Pb 18.68 % PbO |
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Oxygen 25.44 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
PbZn2Mn4+1.5Ti0.5Fe3+8O19 |
Environment: |
In pink dolomitic marble from a Precambrian metamorphic complex. |
IMA Status: |
Approved IMA 1993 (Dana # Added) |
Locality: |
Nezilovo, Republic of Macedonia. Link to MinDat.org Location Data. |
Name Origin: |
Named after its locality. |
Synonym: |
ICSD 76835 |
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IMA1994-020 |
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PDF 50-1591 |
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Nezilovite Image |
Images:
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Nezilovite Crystallography
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Axial Ratios: |
a:c = 1:3.90878 |
Cell Dimensions: |
a = 5.854, c = 22.882, Z = 2; V = 679.09 Den(Calc)= 5.84 |
Crystal System: |
Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
X Ray Diffraction: |
By Intensity(I/Io): 3.811(1), 2.858(0.75), 2.745(0.5), |
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Crystal Structure:
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Bermanec V , Holtstam D , Sturman D , Criddle A J , Back M E , Scavnicar S , The Canadian Mineralogist , 34 (1996) p.1287-1297, Nezilovite, a new member of the magnetoplumbite group, and the crystal, chemistry of mognetoplumbite and hibonite
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Physical Properties of Nezilovite
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Cleavage: |
[001] Perfect |
Color: |
Black. |
Density: |
5.69 |
Diaphaniety: |
Opaque |
Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Hardness: |
4-5 - Fluorite-Apatite |
Luster: |
Metallic |
Magnetism: |
Magnetic |
Streak: |
dark brown |
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Optical Properties of Nezilovite
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Optical Data: |
NCalc= 2.58 - from Gladstone-Dale relationship (KC = 0.2709) where Ncalc=Dcalc*KC+1
NCalc= 2.54 - from Gladstone-Dale relationship (KC = 0.2709) where Ncalc=Dmeas*KC+1 |
RL Anisotrophism: |
Noted. |
RL Bireflectance: |
Noted. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Nezilovite in Air
| λ |
R |
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∑ R(λ) |
| 470 nm |
23.80 |
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| 546 nm |
22.40 |
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| 589 nm |
21.70 |
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| 650 nm |
20.70 |
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Standardized Intensity (100%) Reflection Spectra of Nezilovite in Oil
| λ |
R |
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∑ R(λ) |
| 470 nm |
10.00 |
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| 546 nm |
8.80 |
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| 589 nm |
8.30 |
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| 650 nm |
7.70 |
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Calculated Relative Intensity Colors of Nezilovite in Air
Relative Intensity |
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410% |
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Calculated Relative Intensity Colors of Nezilovite in Oil
Relative Intensity |
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1000% |
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Calculated Properties of Nezilovite
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Electron Density: |
relectron=5.38 gm/cc note: rNezilovite =5.84 gm/cc. |
Fermion Index |
Fermion Index = 0.05344 Boson Index = 0.94656 |
Photoelectric: |
PENezilovite = 308.57 barns/electron U=PENezilovite x relectron=1,660.18 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Nezilovite is Not Radioactive |
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Nezilovite Classification
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Dana Class: |
7.4.2.3 (7)Multiple Oxides |
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(7.4)with O19 groups |
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(7.4.2)(Hexagonal, P63/mmc) Strongly Magnetic |
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7.4.2.1 Magnetoplumbite Pb(Fe,Mn)12O19 P 63/mmc 6/m 2/m 2/m |
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7.4.2.2 Haggertyite! Ba[Fe6Ti5Mg]O19 P 63/mmc 6/m 2/m 2/m |
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7.4.2.3 Nezilovite ! PbZn2(Mn,Ti)2Fe8O19 P 63/mmc 6/m 2/m 2/m |
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7.4.2.4 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 63/mmc 6/m 2/m 2/m |
Strunz Class: |
IV/C.08-35 IV - Oxides |
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IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds) |
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IV/C.08 - Yimngite - Otjisumeite series |
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IV/C.08-10 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-20 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-22 Haggertyite! Ba[Fe6Ti5Mg]O19 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-25 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-30 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-35 Nezilovite PbZn2(Mn,Ti)2Fe8O19 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-40 Magnetoplumbite Pb(Fe,Mn)12O19 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-45 Zenzenite Pb3(Fe,Mn)4Mn3O15 P 63/mcm 6/m 2/m 2/m |
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IV/C.08-47 Lindqvistite Pb2(Mn,Mg)Fe16027 P 63/mmc 6/m 2/m 2/m |
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IV/C.08-50 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 63/mmc 6/m 2/m 2/m |
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IV/C.08-60 Bartelkeite PbFeGe3O8 P 21,P 21/m Mono |
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IV/C.08-70 Otjisumeite PbGe4O9 P1,P 1 Tri |
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Other Nezilovite Information
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References: |
NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.82,p1039,1997) OPTIC PROP.(MinRec, v 28, p 403) |
See Also: |
Links to other databases for Nezilovite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 -Google Images
4 -Google Scholar
5 -MinDAT
6 -MinMax(Deutsch)
7 -MinMax(English)
8 -Mineralienatlas (Deutsch)
9 -QUT Mineral Atlas
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Print or Cut-and-Paste your Nezilovite Specimen Label here :
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Nezilovite
PbZn2(Mn++++,Ti++++)2Fe+++8O19
Dana No: 7.4.2.3 Strunz No: IV/C.08-35
Locality:
Notes:
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