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Pellouxite Mineral Data
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General Pellouxite Information
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 Chemical Formula: |
(Cu,Ag)Pb10Sb12S27(Cl,S)0.6O |
| Composition: |
Molecular Weight = 4,532.07 gm |
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Copper 0.90 % Cu |
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Silver 0.60 % Ag |
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Antimony 31.27 % Sb |
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Lead 47.36 % Pb |
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Sulfur 19.15 % S |
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Chlorine 0.33 % Cl |
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Oxygen 0.39 % O |
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______ |
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100.00 % |
| Empirical Formula: |
Cu0.64Ag0.25Pb10.36Sb11.64S27.07Cl0.42O1.11 |
| Environment: |
In cavities of calcite veins. Structurally related to scainiite. |
| IMA Status: |
Approved IMA 2004 (Dana # Added) |
| Locality: |
Fe-Ba deposit of Buca della Vena mine, Apuan Alps (Tuscany, Italy). Link to MinDat.org Location Data. |
| Name Origin: |
Named for Alberto Pelloux (1868-1948), curator of the mineralogical Museum at the University of Genova. |
| Synonym: |
IMA2001-033 |
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Pellouxite Image |
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Images:
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Pellouxite Crystallography
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| Axial Ratios: |
a:b:c =13.6515:1:5.9004 |
| Cell Dimensions: |
a = 55.824, b = 4.0892, c = 24.128, Z = 4; beta = 113.15° V = 5,064.33 Den(Calc)= 5.94 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m |
| 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), |
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Physical Properties of Pellouxite
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| Color: |
Black. |
| Diaphaneity: |
Opaque |
| Habit: |
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). |
| Luster: |
Metallic |
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Optical Properties of Pellouxite
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| Optical Data: |
NCalc= 1.43 - from Gladstone-Dale relationship (KC = 0.0723) where Ncalc=Dcalc*KC+1
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| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Pellouxite in Air
| λ |
R |
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∑ R(λ) |
| 470 nm |
38.00 |
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| 546 nm |
37.30 |
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| 589 nm |
36.90 |
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| 650 nm |
35.20 |
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Standardized Intensity (100%) Reflection Spectra of Pellouxite in Oil
| 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 |
21.50 |
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| 650 nm |
19.60 |
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Calculated Relative Intensity Colors of Pellouxite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
250% |
| R |
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Calculated Relative Intensity Colors of Pellouxite in Oil
Relative
Intensity |
0% |
50% |
100% |
150% |
200% |
250% |
300% |
350% |
400% |
420% |
| R |
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Calculated Properties of Pellouxite
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| Electron Density: |
Bulk Density (Electron Density)=5.04 gm/cc
note: Specific Gravity of Pellouxite =5.94 gm/cc.
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| Fermion Index: |
Fermion Index = 0.1
Boson Index = 0.9 |
| Photoelectric: |
PEPellouxite = 968.58 barns/electron
U=PEPellouxite x rElectron Density=4,881.42 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pellouxite is Not Radioactive |
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Pellouxite Classification
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| Dana Class: |
03.08.01.03 (03)Sulfides - Sulfosalts |
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(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.08.01)Zinkenite Group |
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03.08.01.01 Zinkenite Pb9Sb22S42 P 63 6 |
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03.08.01.02 Pillaite! Pb9Sb10S23ClO0.5 C 2/m 2/m |
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03.08.01.03 Pellouxite! (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O C 2/m 2/m |
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03.08.01.04 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m |
| Strunz Class: |
02.JB.35d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.J - Sulfosalts of PbS Archetype |
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02.JB -Galena derivatives, with Pb |
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02.JB.35d Pellouxite! (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O C 2/m 2/m |
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Other Pellouxite Information
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| References: |
NAME( EurJMin, 16:839) PHYS. PROP.(EurJMin, 16:839) OPTIC PROP.(EurJMin, 16:839) |
| 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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Print or Cut-and-Paste your Pellouxite Specimen Label here :
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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:
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