Palladseite Mineral Data

Palladseite Mineral Data
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General Palladseite Information

Help on Chemical Formula: Chemical Formula: Pd17Se15
Help on Composition: Composition: Molecular Weight = 2,993.54 gm
   Palladium  60.43 %  Pd
   Selenium   39.57 %  Se
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd17Se15
Help on Environment: Environment: Residual concentrates from gold washings.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Itabira, Minas Gerais, Brazil Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition, PALLADium and SElenium.
Help on Name Pronunciation: Name Pronunciation: Palladseite + Pronunciation Say PALLADSEITE
Help on Synonym: Synonym: ICSD 23907
  PDF 29-1437
 

Palladseite Image

Click Here for Larger Palladseite Image in a New Browser Window Images:
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Palladseite

Comments: Irregular metallic palladseite grain.
Location: Itabira, Minas Gerais, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Palladseite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 10.606, Z = 2; V = 1,193.04 Den(Calc)= 8.33
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.875(1), 3.198(1), 2.041(0.81),
Click Here for Large Palladseite Structure Window Crystal Structure:

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Geller S , Acta Crystallographica , 15 (1962) p.713-721, The crystal structure of Pd17Se15, Locality: synthetic, Sample: P432 refinement

 

Physical Properties of Palladseite

Help on Color: Color: White.
Help on Density: Density: 8.3
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Palladseite

Help on RL Color: RL Color: White in air, light gray in oil.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Palladseite in Air
λ R  ∑ R(λ) 
 400 nm   42.40   
 420 nm   42.80 
 440 nm   43.30 
 460 nm   43.80 
 480 nm   44.30 
 500 nm   44.80 
 520 nm   45.40 
 540 nm   45.70 
 560 nm   45.80 
 580 nm   45.70 
 600 nm   45.60 
 620 nm   45.60 
 640 nm   45.60 
 660 nm   45.70 
 680 nm   45.80 
 700 nm   46.20 
Calculated Relative Intensity Colors of Palladseite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210%
R                  
 

Calculated Properties of Palladseite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.19 gm/cc
note: Specific Gravity of Palladseite =8.33 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.16
Boson Index = 0.84
Help on Photoelectric: Photoelectric: PEPalladseite = 178.67 barns/electron
U=PEPalladseite x rElectron Density=1,284.71 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Palladseite is Not Radioactive
 

Palladseite Classification
Help on Dana Class: Dana Class: 02.16.19.01 (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.19)Palladseite Group
 
02.16.19.01 Palladseite Pd17Se15 P m3m 4/m 3 2/m
 
02.16.19.02 Miassite! Rh17S15 P m3m 4/m 3 2/m
 
02.16.19.02a Prassoite! Rh17S15(?) P m3m 4/m 3 2/m
Help on Strunz Class: Strunz Class: 02.BC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BC -With Rh, Pd, Pt, etc.
 
02.BC.05 Miassite! Rh17S15 P m3m 4/m 3 2/m
 
02.BC.05 Palladseite Pd17Se15 P m3m 4/m 3 2/m
 

Other Palladseite 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 Palladseite :
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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Palladseite

Pd17Se15
Dana No: 02.16.19.01 Strunz No: 02.BC.05
Locality:

 

Notes: