|
|
Pellouxite Mineral Data
|
|
|
General Pellouxite Information
|
Chemical Formula: |
(Cu,Ag)Pb10Sb12S27(Cl,S)0.6O |
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 % |
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 |
|
Pellouxite Image |
Images:
|
|
Pellouxite Crystallography
|
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), |
|
Physical Properties of Pellouxite
|
Color: |
Black. |
Diaphaneity: |
Opaque |
Habit: |
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). |
Luster: |
Metallic |
|
Optical Properties of Pellouxite
|
Optical Data: |
NCalc= 1.43 - from Gladstone-Dale relationship (KC = 0.0723) where Ncalc=Dcalc*KC+1 |
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
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
250% |
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
|
Electron Density: |
Bulk Density (Electron Density)=5.04 gm/cc note: Specific Gravity of Pellouxite =5.94 gm/cc. |
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. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Pellouxite is Not Radioactive |
|
Pellouxite Classification
|
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 |
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
|
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
Search for Pellouxite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Pellouxite :
Ask about Pellouxite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espa�ol
Print or Cut-and-Paste your Pellouxite Specimen Label here :
Pellouxite
(Cu,Ag)Pb10Sb12S27(Cl,S)0.6O
Dana No: 03.08.01.03 Strunz No: 02.JB.35d
Locality:
Notes:
|
|
|
|
|
|
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.