Mineralogy Database

Skaergaardite Mineral Data

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General Skaergaardite Information

Help on Chemical  Formula: Chemical Formula: CuPd
Help on Composition: Composition: Molecular Weight = 173.19 gm
   Zinc        1.47 %  Zn
   Iron        3.87 %  Fe
   Copper     30.09 %  Cu
   Tin         1.10 %  Sn
   Tellurium   0.29 %  Te
   Palladium  59.42 %  Pd
   Platinum    1.13 %  Pt
   Lead        0.36 %  Pb
   Gold        2.27 %  Au
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd0.96Au0.02Pt0.01Cu0.82Fe0+0.12Zn0.03Sn0.01Te0.004Pb0.003
Help on Environment: Environment: Minor sulfide phase associated with an ultrabasic, rhythmically layered gabbroic body. CsCl structure, isostructural with wairauite.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Skaergaard intrusion, Kangerdlugssuaq area, East Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2003-049
 

Skaergaardite Image

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  Skaergaardite

Comments: (e) A euhedral crystal of skaergaardite exhibiting the form cube {100} (possibly distorted) included in a bornite-chalcocite i(BN+CC) grain. (f) bornite (BN)+ chalcopyrite (CP) microglobule with a skaergaardite cube with rounded edges. (MinMag 68:615).
Location: Drill core taken from the Skaergaard intrusion, Kangerdlugssuaq area, East Greenland. Scale: See Image.
© Mineralogical Magazine

Skaergaardite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 3.0014, Z = 1; V = 27.04 Den(Calc)= 10.63
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 0.8666(1)(222), 2.122(1)(110), 0.8021(0.7)(321),1.2254(0.5)(211), 0.9491(0.2)(310), 1.5(0.2)(200),
 

Physical Properties of Skaergaardite

Help on Cleavage: Cleavage: None
Help on Color: Color: Steel gray, Bronze gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Skaergaardite

Help on RL Anisotrophism: RL Anisotrophism: None.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: Creamy to bright white with no internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Skaergaardite in Air
λ R  ∑ R(λ) 
 400 nm   55.10   
 420 nm   56.10 
 440 nm   56.90 
 460 nm   58.00 
 470 nm   58.70 
 480 nm   59.30 
 500 nm   60.20 
 520 nm   61.20 
 540 nm   62.40 
 546 nm   62.60 
 560 nm   63.00 
 580 nm   63.90 
 589 nm   64.10 
 600 nm   64.30 
 620 nm   64.90 
 640 nm   65.10 
 650 nm   65.30 
 660 nm   65.40 
 680 nm   65.70 
 700 nm   66.20 
Standardized Intensity (100%) Reflection Spectra of Skaergaardite in Oil
λ R  ∑ R(λ) 
 400 nm   43.80   
 420 nm   44.80 
 440 nm   45.70 
 460 nm   46.80 
 470 nm   47.40 
 480 nm   48.10 
 500 nm   49.00 
 520 nm   50.20 
 540 nm   50.90 
 546 nm   51.10 
 560 nm   51.70 
 580 nm   52.60 
 589 nm   52.80 
 600 nm   53.00 
 620 nm   53.40 
 640 nm   53.80 
 650 nm   53.95 
 660 nm   54.10 
 680 nm   54.60 
 700 nm   55.00 
Calculated Relative Intensity Colors of Skaergaardite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160%
R                  
Calculated Relative Intensity Colors of Skaergaardite in Oil
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%
R                      
 

Calculated Properties of Skaergaardite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.35 gm/cc
note: Specific Gravity of Skaergaardite =10.6 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.14
Boson Index = 0.86
Help on Photoelectric: Photoelectric: PESkaergaardite = 220.27 barns/electron
U=PESkaergaardite x rElectron Density=2,059.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Skaergaardite is Not Radioactive
 

Skaergaardite Classification

Help on  Dana Class: Dana Class: 01.02.13.01 (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.13)CsCl structure (Pm3m)
 
01.02.13.01 Skaergaardite! CuPd P m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 01.AG.45 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AG -PGE-metal alloys
 
01.AG.45 Hongshiite* PtCu R 3m 3 2/m
 
01.AG.45 Skaergaardite! CuPd P m3m 4/m 3 2/m
 

Other Skaergaardite Information

Help on References: References: NAME( MinMag 68:615) PHYS. PROP.(MinMag 68:615) OPTIC PROP.(MinMag 68:615)
Help on See Also: See Also: Links to other databases for Skaergaardite :
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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Skaergaardite

CuPd
Dana No: 01.02.13.01 Strunz No: 01.AG.45
Locality:

 

Notes:

 

 
   
 


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