Zenzenite Mineral Data

Zenzenite Mineral Data
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General Zenzenite Information

Help on Chemical Formula: Chemical Formula: Pb3(Fe+++,Mn+++)4Mn++++3O15
Help on Composition: Composition: Molecular Weight = 1,222.03 gm
   Manganese  20.68 %  Mn    9.04 % Mn2O3 / 22.77 % MnO2
   Iron       10.51 %  Fe   15.03 % Fe2O3
   Lead       49.17 %  Pb   52.97 % PbO
   Oxygen     19.64 %  O
             ______        ______ 
             100.00 %       99.80 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb2.9Fe3+2.3Mn3+1.4Mn4+3.2O15
Help on Environment: Environment: Cabonate-phyllosilicate skarn rock in a metamorphosed Fe-Mn orebody.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Langban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Nile Zenzen (1883-1959), formerly Senior curator of the Swedish museum of Natural History, Stockholm, Sweden.
Help on Name Pronunciation: Name Pronunciation: Zenzenite + Pronunciation Say ZENZENITE
Help on Synonym: Synonym: IMA1990-031
 

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Zenzenite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.3661
Help on Cell Dimensions: Cell Dimensions: a = 10.008, c = 13.672, Z = 4; V = 1,185.93 Den(Calc)= 6.84
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mcm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.663(1), 1.687(0.8), 3.18(0.8),
Click Here for Large Zenzenite Structure Window Crystal Structure:

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Holtstam D , Linqvist B , Johnsson M , Norrestam R , The Canadian Mineralogist , 29 (1991) p.347-354, Zenzenite: Pb3(Fe,Mn)4Mn3O15, a new mineral species, from Langban, Filipstad, Sweden, and its crystal structure, Locality: Langban, Filipstad, Sweden

 

Physical Properties of Zenzenite

Help on Cleavage: Cleavage: {0001} Indistinct
Help on Color: Color: Black.
Help on Density: Density: 6.83
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Hardness: Hardness: 5.7
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Weakly magnetic
 

Optical Properties of Zenzenite

Help on Optical Data: Optical Data: Uniaxial (?).
  NCalc= 2.61 - from Gladstone-Dale relationship (KC = 0.2347) where Ncalc=Dcalc*KC+1
NCalc= 2.6 - from Gladstone-Dale relationship (KC = 0.2347) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Distinct, in shades of gray and pale brown.
Help on RL Bireflectance: RL Bireflectance: Weak, visible only in oil.
Help on RL Color: RL Color: Bright white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Zenzenite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   32.00   25.90 
   
 420 nm   31.70   26.20 
 440 nm   31.60   26.50 
 460 nm   31.20   26.20 
 480 nm   30.80   25.90 
 500 nm   30.40   25.60 
 520 nm   30.00   25.40 
 540 nm   29.60   25.10 
 560 nm   29.20   24.80 
 580 nm   28.70   24.50 
 600 nm   28.30   24.20 
 620 nm   27.80   23.90 
 640 nm   27.40   23.60 
 660 nm   27.10   23.30 
 680 nm   26.80   22.90 
 700 nm   26.50   22.60 
Calculated Relative Intensity Colors of Zenzenite in Air
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360% 370%
R1                        
R2                        
 

Calculated Properties of Zenzenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.96 gm/cc
note: Specific Gravity of Zenzenite =6.84 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEZenzenite = 875.33 barns/electron
U=PEZenzenite x rElectron Density=5,218.86 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zenzenite is Not Radioactive
 

Zenzenite Classification
Help on Dana Class: Dana Class: 07.05.04.01 (07)Multiple Oxides
  (07.05)where A B X2
  (07.05.04)Dana Group
 
07.05.04.01 Zenzenite Pb3(Fe,Mn)4Mn3O15 P 63/mcm 6/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.CC.55 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.55 Zenzenite Pb3(Fe,Mn)4Mn3O15 P 63/mcm 6/m 2/m 2/m
 

Other Zenzenite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.76,p2024,1991) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Zenzenite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Zenzenite

Pb3(Fe+++,Mn+++)4Mn++++3O15
Dana No: 07.05.04.01 Strunz No: 04.CC.55
Locality:

 

Notes: