Mineralogy Database

Nielsenite Mineral Data

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General Nielsenite Information

Help on Chemical  Formula: Chemical Formula: PdCu3
Help on Composition: Composition: Molecular Weight = 295.63 gm
   Iron        2.38 %  Fe
   Copper     67.35 %  Cu
   Palladium  30.27 %  Pd
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd0.84Cu0.13Fe0+0.12Cu3
Help on Environment: Environment: Discovered in non-magnetic heavy concentrates from drill core taken from Pd5 level of the Skaergaard intrusion and in a bulk sample obtained by blasting at the toe of Forbindelses-g letscher,
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Skaergaard Intrusion, Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Troels F.D. Nielsen (b. 1950), a geologist with the Geological Survey of Denmark and Greenland.
Help on Synonym: Synonym: IMA2004-046

Nielsenite Image

Click Here for Larger   Image in a New Browser Window Images:
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Comments: BSE images of nielsenite (nls), skaergaardite (sk), chalcocite + bornite (cc + bn), bornite (bn) and chalcocite (cc) in non-magnetic ore concentrates..
Location: Skaergaard Intrusion, Greenland.. Scale: See Images.
© Canadian Mineralogist

Nielsenite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:6.90101
Help on Cell Dimensions: Cell Dimensions: a = 3.7125, c = 25.62, Z = 4; V = 353.11 Den(Calc)= 5.56
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Pyramidal H-M Symbol (4mm) Space Group: P 4mm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.138(1), 1.8604(0.7), 1.3049(0.6),3.657(0.6), 1.1188(0.55), 1.8337(0.4), 1.0655(0.3),

Physical Properties of Nielsenite

Help on Cleavage: Cleavage: None
Help on Color: Color: Steel gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Luster: Luster: Metallic
Help on Streak: Streak: black

Optical Properties of Nielsenite

Help on RL Anisotrophism: RL Anisotrophism: None.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: Bright creamy white with no internal reflections.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Nielsenite in Air
λ R  ∑ R(λ) 
 400 nm   53.20   
 420 nm   54.40 
 440 nm   55.60 
 460 nm   56.90 
 480 nm   58.30 
 500 nm   59.20 
 520 nm   59.90 
 540 nm   60.70 
 560 nm   61.30 
 580 nm   62.20 
 600 nm   63.60 
 620 nm   64.70 
 640 nm   66.00 
 660 nm   67.40 
 680 nm   68.50 
 700 nm   69.90 
Standardized Intensity (100%) Reflection Spectra of Nielsenite in Oil
λ R  ∑ R(λ) 
 400 nm   42.70   
 420 nm   44.10 
 440 nm   45.20 
 460 nm   46.60 
 480 nm   48.10 
 500 nm   49.00 
 520 nm   50.00 
 540 nm   50.60 
 560 nm   51.40 
 580 nm   52.50 
 600 nm   53.60 
 620 nm   55.20 
 640 nm   56.70 
 660 nm   58.20 
 680 nm   60.10 
 700 nm   61.80 
Calculated Relative Intensity Colors of Nielsenite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 160%
Calculated Relative Intensity Colors of Nielsenite in Oil
   0%   30%   60%   90% 100% 120% 150% 180% 200%

Calculated Properties of Nielsenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.00 gm/cc
note: Specific Gravity of Nielsenite =5.56 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PENielsenite = 102.71 barns/electron
U=PENielsenite x rElectron Density= 513.16 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nielsenite is Not Radioactive

Nielsenite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.14)Dana Group Nielsenite! PdCu3 P 4mm 4mm Bortnikovite! Pd4Cu3Zn P 4/mmm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 01.AG.70 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.70 Nielsenite! PdCu3 P 4mm 4mm

Other Nielsenite Information

Help on References: References: NAME( CanMin, v43:709) PHYS. PROP.(CanMin, v43:709) OPTIC PROP.(CanMin, v43:709)
Help on See Also: See Also: Links to other databases for Nielsenite :
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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Dana No: Strunz No: 01.AG.70





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