Sugakiite Mineral Data

Sugakiite Mineral Data
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General Sugakiite Information

Help on Chemical Formula: Chemical Formula: Cu(Fe,Ni)8S8
Help on Composition: Composition: Molecular Weight = 772.05 gm
   Iron    43.47 %  Fe
   Cobalt   0.15 %  Co
   Copper   7.00 %  Cu
   Nickel  16.19 %  Ni
   Sulfur  33.19 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu0.85Fe2+6.01Ni2.13Co0.02S7.99
Help on Environment: Environment: Found in the interstices among grains of olivine.in peridotite. Pentlandite group.
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Horoman, Samani-cho, Urakawa-gun, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Asahiko Sugaki (b. 1923) of Tohoku University, Sendai, Japan.
Help on Synonym: Synonym: IMA2005-033
 

Sugakiite Image

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Sugakiite

Comments: Reflected light polished section of sugakiite (sg) associated with bornite (bn), talnakhite (td) and native copper (Cu). (CanMin, v43:266).
Location: Horoman, Samani-cho, Urakawa-gun, Japan. Scale: See Image.
© Canadian Mineralogist

Sugakiite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.92267
Help on Cell Dimensions: Cell Dimensions: a = 10.566, c = 9.749, Z = 4; V = 1,088.38 Den(Calc)= 4.71
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/mnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.072(1)(510), 1.793(0.85)(404), 1.804(0.83)(215),3.061(0.74)(103), 1.954(0.42)(005), 1.962(0.38)(520), 2.641(0.33)(400), 2.975(0.32)(113), 2.93(0.3)(320),
 

Physical Properties of Sugakiite

Help on Cleavage: Cleavage: None
Help on Color: Color: Reddish yellow.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Metallic
 

Optical Properties of Sugakiite

Help on RL Anisotrophism: RL Anisotrophism: Weak dark gray to faint light gray.
Help on RL Color: RL Color: Creamy white with a reddish tint.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Sugakiite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 435 nm   31.90   31.90 
   
 495 nm   36.10   36.10 
 545 nm   39.10   39.10 
 586 nm   41.50   41.50 
 649 nm   44.30   44.30 
Calculated Relative Intensity Colors of Sugakiite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 260%
R1                      
R2                      
 

Calculated Properties of Sugakiite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.50 gm/cc
note: Specific Gravity of Sugakiite =4.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESugakiite = 24.69 barns/electron
U=PESugakiite x rElectron Density= 111.15 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sugakiite is Not Radioactive
 

Sugakiite Classification
Help on Dana Class: Dana Class: 02.07.02.02 (02)Sulfides - Including Selenides and Tellurides
  (02.07)where Am Bn Xp, with (m+n):p=9:8
  (02.07.02)Dana Group
 
02.07.02.01 Mackinawite (Fe,Ni)S0.9 P 4/nmm 4/m 2/m 2/m
 
02.07.02.02 Sugakiite! Cu(Fe,Ni)8S8 P 41/mnm 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: 02.BB.15c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BB -With Ni, Fe
 
02.BB.15c Sugakiite! Cu(Fe,Ni)8S8 P 41/mnm 4/m 2/m 2/m
 

Other Sugakiite Information
Help on References: References: NAME( AmMin, v93:1944) PHYS. PROP.(AmMin, v93:1944) OPTIC PROP.(AmMin, v93:1944)
Help on See Also: See Also: Links to other databases for Sugakiite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Sugakiite

Cu(Fe,Ni)8S8
Dana No: 02.07.02.02 Strunz No: 02.BB.15c
Locality:

 

Notes: