Mineralogy Database

Chabourneite Mineral Data

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General Chabourneite Information

Help on Chemical  Formula: Chemical Formula: (Tl,Pb)21(Sb,As)91S147
Help on Composition: Composition: Molecular Weight = 18184.75 gm
   Thallium  15.73 %  Tl
   Antimony  33.48 %  Sb
   Arsenic   16.89 %  As
   Lead       7.98 %  Pb
   Sulfur    25.92 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Tl14Pb7Sb50As41S147
Help on Environment: Environment: Hydrothermal deposit in dolomitic limestones with other As-Tl minerals.
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Jas Roux deposit, Hautes-Alpes, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Chabourneou Glacier, near the locality.
Help on Synonym: Synonym: ICSD 100315
  PDF 35-474
 

Chabourneite Image

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  Chabourneite   Smithite

Comments: Black metallic chabourneite with conchoidal fracture, associated with yellow-red realgar and deep-red smithite.
Location: Jas Roux, Pelvoux Mt., Valgaudemar, Hautes-Alpes, Provence-Alpes-CÃīte d'Azur, France. Scale: See Image.
© Rruff Database

Chabourneite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3836:1:0.2003
Help on Cell Dimensions: Cell Dimensions: a = 16.346, b = 42.602, c = 8.534, Z = 1; alpha = 95.86°, beta = 86.91°, gamma = 96.88° V = 5,860.68 Den(Calc)= 5.15
Help on Crystal System: Crystal System: Triclinic - Pedial H-M Symbol (1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.573(1), 2.135(0.9), 2.808(0.8),
 

Physical Properties of Chabourneite

Help on Color: Color: Black.
Help on Density: Density: 5.1
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: brown red
 

Optical Properties of Chabourneite

Help on RL Anisotrophism: RL Anisotrophism: Strong, in bluish and greenish colors.
Help on RL Color: RL Color: White with red internal reflections noted along cracks.
Help on RL Pleochroism: RL Pleochroism: Weak.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Chabourneite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   32.40   40.50 
   
 420 nm   32.10   40.00 
 440 nm   31.80   39.50 
 460 nm   31.50   39.00 
 480 nm   31.30   38.40 
 500 nm   31.10   37.90 
 520 nm   31.00   37.30 
 540 nm   30.80   36.60 
 560 nm   30.60   35.80 
 580 nm   30.20   35.10 
 600 nm   29.60   34.30 
 620 nm   29.00   33.50 
 640 nm   28.20   32.80 
 660 nm   27.50   32.00 
 680 nm   26.80   31.30 
 700 nm   26.40   30.70 
Calculated Relative Intensity Colors of Chabourneite in Air
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 310%
R1                    
R2                    
 

Calculated Properties of Chabourneite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.51 gm/cc
note: Specific Gravity of Chabourneite =5.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEChabourneite = 530.46 barns/electron
U=PEChabourneite x rElectron Density=2,392.55 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chabourneite is Not Radioactive
 

Chabourneite Classification

Help on  Dana Class: Dana Class: 03.08.12.01 (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.12)Dana Group
 
03.08.12.01 Chabourneite (Tl,Pb)21(Sb,As)91S147 P1 1
Help on  Strunz Class: Strunz Class: 02.HC.05e 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HC -With only Pb
 
02.HC.05e Chabourneite (Tl,Pb)21(Sb,As)91S147 P1 1
 

Other Chabourneite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Chabourneite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Chabourneite

(Tl,Pb)21(Sb,As)91S147
Dana No: 03.08.12.01 Strunz No: 02.HC.05e
Locality:

 

Notes:

 

 
   
 


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