Ferroskutterudite Mineral Data

Ferroskutterudite Mineral Data
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General Ferroskutterudite Information

Help on Chemical Formula: Chemical Formula: (Fe,Co)As3
Help on Composition: Composition: Molecular Weight = 276.94 gm
   Iron     12.10 %  Fe
   Cobalt    8.38 %  Co
   Nickel    0.04 %  Ni
   Arsenic  78.13 %  As
   Sulfur    1.34 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+0.6Co0.39Ni0.002As2.88S0.11
Help on Environment: Environment: Found in dolomite-calcite veins with other arsenides. Skutterudite group.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Konsomolsk mine, Talnakh, Norilsk, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Fe analog of skutterudite.
Help on Synonym: Synonym: IMA2006-032
 

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Ferroskutterudite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 8.17, Z = 8; V = 545.34 Den(Calc)= 6.75
Help on Crystal System: Crystal System: Isometric - DiploidalH-M Symbol (2/m 3) Space Group: Im3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.858(1)(310), 2.182(0.9)(321), 1.602(0.7)(510),1.829(0.7)(420), 1.402(0.6)(530), 1.667(0.5)(422),
 

Physical Properties of Ferroskutterudite

Help on Color: Color: Tin white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 6-6.5 - Orthoclase-Pyrite
Help on Luster: Luster: Metallic
 

Optical Properties of Ferroskutterudite

Help on RL Anisotrophism: RL Anisotrophism: None.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: White.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Ferroskutterudite in Air
λ R  ∑ R(λ) 
 400 nm   57.20   
 420 nm   57.60 
 440 nm   58.00 
 460 nm   58.20 
 470 nm   58.20 
 480 nm   58.20 
 500 nm   58.00 
 520 nm   57.60 
 540 nm   57.30 
 546 nm   57.20 
 560 nm   56.90 
 580 nm   56.40 
 589 nm   56.20 
 600 nm   56.00 
 620 nm   55.50 
 640 nm   55.20 
 650 nm   54.90 
 660 nm   54.70 
 680 nm   54.30 
 700 nm   53.80 
Calculated Relative Intensity Colors of Ferroskutterudite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160%
R                  
 

Calculated Properties of Ferroskutterudite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.02 gm/cc
note: Specific Gravity of Ferroskutterudite =6.75 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0026706206
Boson Index = 0.9973293794
Help on Photoelectric: Photoelectric: PEFerroskutterudite = 63.60 barns/electron
U=PEFerroskutterudite x rElectron Density= 382.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferroskutterudite is Not Radioactive
 

Ferroskutterudite Classification
Help on Dana Class: Dana Class: 02.12.17.04 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.17)Skutterudite Series
 
02.12.17.01 Skutterudite (Co,Ni)As3-x I m3 2/m 3
 
02.12.17.02 Nickelskutterudite (Ni,Co)As3-x I m3 2/m 3
 
02.12.17.03 Kieftite CoSb3 I m3 2/m 3
 
02.12.17.04 Ferroskutterudite! (Fe,Co)As3 Im3 2/m 3
Help on Strunz Class: Strunz Class: 02.EC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.E - Metal Sulfides, M:S £ 1:2
  02.EC -M:S = 1:>2
 
02.EC.05 Dienerite? Ni3As I 43d 4 3m
 
02.EC.05 Kieftite CoSb3 I m3 2/m 3
 
02.EC.05 Nickelskutterudite (Ni,Co)As3-x I m3 2/m 3
 
02.EC.05 Skutterudite (Co,Ni)As3-x I m3 2/m 3
 
02.EC.05 Ferroskutterudite! (Fe,Co)As3 Im3 2/m 3
 

Other Ferroskutterudite Information
Help on References: References: NAME( AmMin, v93:1687) PHYS. PROP.(AmMin, v93:1687) OPTIC PROP.(AmMin, v93:1687)
Help on See Also: See Also: Links to other databases for Ferroskutterudite :
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 Ferroskutterudite Specimen Label here :

Ferroskutterudite

(Fe,Co)As3
Dana No: 02.12.17.04 Strunz No: 02.EC.05
Locality:

 

Notes: