Nezilovite Mineral Data

General Nezilovite Information

Chemical Formula:

PbZn2(Mn++++,Ti++++)2Fe+++8O19

Composition:

Molecular Weight = 1,195.09 gm

Titanium 2.00 % Ti 3.34 % TiO₂

Manganese 6.90 % Mn 10.91 % MnO₂

Zinc 10.94 % Zn 13.62 % ZnO

Iron 37.38 % Fe 53.45 % Fe₂O₃

Lead 17.34 % Pb 18.68 % PbO

Oxygen 25.44 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

PbZn₂Mn⁴⁺_1.5Ti_0.5Fe³⁺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.

Name Pronunciation:

Nezilovite + Pronunciation

Synonym:

ICSD 76835

IMA1994-020

PDF 50-1591

Nezilovite Image

Images:

Nezilovite

Comments: Small black grains of nezilovite in matrix.
Location: Nezilovo, FYR Macedonia. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Nezilovite Crystallography

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 Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.811(1), 2.858(0.75), 2.745(0.5),

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Physical Properties of Nezilovite

Cleavage:

{001} Perfect

Color:

Black.

Density:

5.69

Diaphaneity:

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

Optical Properties of Nezilovite

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	∑ R(λ)
470 nm	23.80
546 nm	22.40
589 nm	21.70
650 nm	20.70

**Standardized Intensity (100%) Reflection Spectra of Nezilovite in Oil**
λ	R	∑ R(λ)
470 nm	10.00
546 nm	8.80
589 nm	8.30
650 nm	7.70

**Calculated Relative Intensity Colors of Nezilovite in Air**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%	410%
R

**Calculated Relative Intensity Colors of Nezilovite in Oil**
Relative Intensity	0%	100%	200%	300%	400%	500%	600%	700%	800%	900%	1000%
R

Calculated Properties of Nezilovite

Electron Density:

Bulk Density (Electron Density)=5.38 gm/cc
note: Specific Gravity of Nezilovite =5.84 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_Nezilovite= 308.57 barns/electron
U=PE_Nezilovite x rElectron Density=1,660.18 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nezilovite is Not Radioactive

Nezilovite Classification

Dana Class:

07.04.02.03 (07)Multiple Oxides

(07.04)with O19 groups

(07.04.02)(Hexagonal, P63/mmc) Strongly Magnetic

07.04.02.01 Magnetoplumbite Pb(Fe,Mn)12O19 P 6₃/mmc 6/m 2/m 2/m

07.04.02.02 Haggertyite! Ba[Fe6Ti5Mg]O19 P 6₃/mmc 6/m 2/m 2/m

07.04.02.03 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 6₃/mmc 6/m 2/m 2/m

07.04.02.04 Batiferrite! Ba(Ti2Fe8Fe2)O19 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

04.C - Metal:Oxygen = 2:3, 3:5, and Similar

04.CC -With large and medium-sized cations

04.CC.45 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Diaoyudaoite NaAl11O17 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Magnetoplumbite Pb(Fe,Mn)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Haggertyite! Ba[Fe6Ti5Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Lindqvistite Pb2(Mn,Mg)Fe16027 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

Other Nezilovite Information

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 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Nezilovite

PbZn2(Mn++++,Ti++++)2Fe+++8O19
Dana No: 07.04.02.03 Strunz No: 04.CC.45
Locality:

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