Mineralogy Database

Telluropalladinite Mineral Data

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General Telluropalladinite Information

Help on Chemical  Formula: Chemical Formula: Pd9Te4
Help on Composition: Composition: Molecular Weight = 1,468.18 gm
   Tellurium  34.76 %  Te
   Palladium  65.24 %  Pd
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd9Te4
Help on Environment: Environment: As tiny grains in mineral concentrates.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: J-M reef, Stillwater Complex, Nye County, Montana, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition.
Help on Name Pronunciation: Name Pronunciation: Telluropalladinite + Pronunciation Say TELLUROPALLADINITE
Help on Synonym: Synonym: ICSD 77893
  PDF 35-1013

Telluropalladinite Image

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  Kotulskite   Telluropalladinite   Keithconnite

Comments: Polyphase grain of (1) ferroan platinum corroded by (2) Pt(Fe,Cu) and overgrown by (5) telluropalladinite, an unknown (6) Pd-Te-Fe-Si-O phase, (7) Fe-hydroxide and (8) a Ca-Mn-Fe silicate with inclusions of (3) kotulskite and (4) keithconnite. (BGR).
Location: Stream sediments of rivers in the vicinity of the original discovery of the Merensky Reef on the farm Maandagshoek close to Burgersfort in the Eastern Bushveld, South Africa.. Scale: See Image.
© Federal Institute for Geosciences and Natural Resources

Telluropalladinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.534:1:0.6322
Help on Cell Dimensions: Cell Dimensions: a = 7.45, b = 13.95, c = 8.82, Z = 4; beta = 91.9° V = 916.14 Den(Calc)= 10.64
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.237(1), 1.306(0.5), 2.09(0.4),

Physical Properties of Telluropalladinite

Help on Color: Color: Silver white.
Help on Density: Density: 10.25
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic

Optical Properties of Telluropalladinite

Help on RL Anisotrophism: RL Anisotrophism: Moderate to strong in air, strong in oil, in gray to light brownish gray.
Help on RL Color: RL Color: Cream with a yellowish tint.
Help on RL Pleochroism: RL Pleochroism: None in air, very faintly discernible in oil.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Telluropalladinite in Air
λ R  ∑ R(λ) 
 420 nm   44.60   
 440 nm   45.30 
 460 nm   45.90 
 480 nm   46.70 
 500 nm   47.80 
 520 nm   49.00 
 540 nm   50.00 
 560 nm   51.30 
 580 nm   52.60 
 600 nm   53.90 
 620 nm   55.20 
 640 nm   56.50 
 660 nm   57.80 
 680 nm   58.90 
 700 nm   60.10 
Calculated Relative Intensity Colors of Telluropalladinite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 200%

Calculated Properties of Telluropalladinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.02 gm/cc
note: Specific Gravity of Telluropalladinite =10.6 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.17
Boson Index = 0.83
Help on Photoelectric: Photoelectric: PETelluropalladinite = 286.94 barns/electron
U=PETelluropalladinite x rElectron Density=2,586.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Telluropalladinite is Not Radioactive

Telluropalladinite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.06)Dana Group Telluropalladinite Pd9Te4 P 21/c 2/m
Help on  Strunz Class: Strunz Class: 02.BC.30 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.30 Telluropalladinite Pd9Te4 P 21/c 2/m

Other Telluropalladinite 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 Telluropalladinite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 02.BC.30





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