Pellouxite Mineral Data

Pellouxite Mineral Data
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General Pellouxite Information

Help on Chemical Formula: Chemical Formula: (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O
Help on Composition: Composition: Molecular Weight = 4,532.07 gm
   Copper     0.90 %  Cu
   Silver     0.60 %  Ag
   Antimony  31.27 %  Sb
   Lead      47.36 %  Pb
   Sulfur    19.15 %  S
   Chlorine   0.33 %  Cl
   Oxygen     0.39 %  O
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu0.64Ag0.25Pb10.36Sb11.64S27.07Cl0.42O1.11
Help on Environment: Environment: In cavities of calcite veins. Structurally related to scainiite.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Fe-Ba deposit of Buca della Vena mine, Apuan Alps (Tuscany, Italy). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Alberto Pelloux (1868-1948), curator of the mineralogical Museum at the University of Genova.
Help on Synonym: Synonym: IMA2001-033
 

Pellouxite Image

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Pellouxite

Comments: Dark metallic pellouxite grains in matrix.
Location: Buca della Vena mine, Ponte Stazzemese, Alpi Apuane, Stazzema, Lucca, Toscana, Italy. Scale: Specimen Size 12x12x7 mm.
© Sergey Vasiliev / Systematic Mineralogy

Pellouxite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =13.6515:1:5.9004
Help on Cell Dimensions: Cell Dimensions: a = 55.824, b = 4.0892, c = 24.128, Z = 4; beta = 113.15° V = 5,064.33 Den(Calc)= 5.94
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.423(1)(807,16.0.4,407), 4.02(0.38)(606,406), 3.562(0.31)(804,12.0.2),2.948(0.27)(13.1.3,11.1.13.009(0.25)(808,912,713), 2.048(0.2)(020), 2.265(0.19)(409),
Click Here for Large Pellouxite Structure Window Crystal Structure:

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Palvadeau P , Meerschaut A , Orlandi P , Moelo Y , European Journal of Mineralogy , 16 (2004) p.845-855, Lead-antimony sulfosalts from Tuscany (Italy). VII. Crystal structure of, pellouxite, ~ (Cu,Ag)2Pb21Sb23S55ClO, an expanded monoclinic derivative, of Ba12Bi24S48 hexagonal sub-type (zinkenite group), Locality: Tuscany, Italy

 

Physical Properties of Pellouxite

Help on Color: Color: Black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Luster: Luster: Metallic
 

Optical Properties of Pellouxite

Help on Optical Data: Optical Data: NCalc= 1.43 - from Gladstone-Dale relationship (KC = 0.0723) where Ncalc=Dcalc*KC+1
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Pellouxite in Air
λ R  ∑ R(λ) 
 470 nm   38.00   
 546 nm   37.30 
 589 nm   36.90 
 650 nm   35.20 
Standardized Intensity (100%) Reflection Spectra of Pellouxite in Oil
λ R  ∑ R(λ) 
 470 nm   23.80   
 546 nm   22.40 
 589 nm   21.50 
 650 nm   19.60 
Calculated Relative Intensity Colors of Pellouxite in Air
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R                      
Calculated Relative Intensity Colors of Pellouxite in Oil
Relative
Intensity		    0%   50% 100% 150% 200% 250% 300% 350% 400% 420%
R                    
 

Calculated Properties of Pellouxite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.04 gm/cc
note: Specific Gravity of Pellouxite =5.94 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEPellouxite = 968.58 barns/electron
U=PEPellouxite x rElectron Density=4,881.42 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pellouxite is Not Radioactive
 

Pellouxite Classification
Help on Dana Class: Dana Class: 03.08.01.03 (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.01)Zinkenite Group
 
03.08.01.01 Zinkenite Pb9Sb22S42 P 63 6
 
03.08.01.02 Pillaite! Pb9Sb10S23ClO0.5 C 2/m 2/m
 
03.08.01.03 Pellouxite! (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O C 2/m 2/m
 
03.08.01.04 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m
Help on Strunz Class: Strunz Class: 02.JB.35d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.35d Pellouxite! (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O C 2/m 2/m
 

Other Pellouxite Information
Help on References: References: NAME( EurJMin, 16:839) PHYS. PROP.(EurJMin, 16:839) OPTIC PROP.(EurJMin, 16:839)
Help on See Also: See Also: Links to other databases for Pellouxite :
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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Pellouxite

(Cu,Ag)Pb10Sb12S27(Cl,S)0.6O
Dana No: 03.08.01.03 Strunz No: 02.JB.35d
Locality:

 

Notes: