Chameanite Mineral Data

Chameanite Mineral Data
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General Chameanite Information

Help on Chemical Formula: Chemical Formula: (Cu,Fe)4As(Se,S)4
Help on Composition: Composition: Molecular Weight = 617.65 gm
   Iron       4.52 %  Fe
   Copper    36.01 %  Cu
   Arsenic   12.13 %  As
   Selenium  44.74 %  Se
   Sulfur     2.60 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu3.5Fe2+0.5AsSe3.5S0.5
Help on Environment: Environment: Late stage deposits in veins cutting granite.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: From Chameane, Puy-de-Dome, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
 

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Chameanite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 11.039, Z = 8; V = 1,345.21 Den(Calc)= 6.10
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.187(1), 1.951(0.9), 1.665(0.8),
 

Physical Properties of Chameanite

Help on Color: Color: Gray, Grayish black.
Help on Density: Density: 6.17
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Chameanite

Help on RL Color: RL Color: Dark gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Chameanite in Air
λ R  ∑ R(λ) 
 400 nm   27.40   
 420 nm   27.10 
 440 nm   26.80 
 460 nm   26.50 
 480 nm   26.10 
 500 nm   26.60 
 520 nm   26.90 
 540 nm   27.10 
 560 nm   27.30 
 580 nm   27.50 
 600 nm   27.70 
 620 nm   27.80 
 640 nm   28.00 
 660 nm   28.20 
 680 nm   28.40 
 700 nm   28.70 
Calculated Relative Intensity Colors of Chameanite in Air
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 330%
R                      
 

Calculated Properties of Chameanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.42 gm/cc
note: Specific Gravity of Chameanite =6.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEChameanite = 62.77 barns/electron
U=PEChameanite x rElectron Density= 340.34 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chameanite is Not Radioactive
 

Chameanite Classification
Help on Dana Class: Dana Class: 03.02.08.01 (03)Sulfides - Sulfosalts
  (03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.02.08)Dana Group
 
03.02.08.01 Chameanite (Cu,Fe)4As(Se,S)4 I 43m 4 3m
Help on Strunz Class: Strunz Class: 02.LA.35 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.L - Unclassified Sulfosalts
  02.LA -Without essential Pb
 
02.LA.35 Chameanite (Cu,Fe)4As(Se,S)4 I 43m 4 3m
 

Other Chameanite 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 Chameanite :
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

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Chameanite

(Cu,Fe)4As(Se,S)4
Dana No: 03.02.08.01 Strunz No: 02.LA.35
Locality:

 

Notes: