Keithconnite Mineral Data

Keithconnite Mineral Data
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General Keithconnite Information

Help on Chemical Formula: Chemical Formula: Pd3-xTe(x=0.14 to 0.43)
Help on Composition: Composition: Molecular Weight = 425.58 gm
   Tellurium  29.98 %  Te
   Palladium  70.02 %  Pd
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd2.8Te
Help on Environment: Environment: Cumulate ultra-mafic hosted sulfide mineralization.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Stillwater Pt-Pd J-M reef complex, Nye County, Montana, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Keith Conn (1923), U.S. Geologist who investigated the Stillwater Complex, Nye, Montana, USA.
Help on Name Pronunciation: Name Pronunciation: Keithconnite + Pronunciation Say KEITHCONNITE
Help on Synonym: Synonym: ICSD 42551
  IMA1978-032
  PDF 34-1461
 

Keithconnite Image

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Keithconnite   Kotulskite   Telluropalladinite

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

Keithconnite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.99563
Help on Cell Dimensions: Cell Dimensions: a = 11.45, c = 11.4, Z = 18; V = 1,294.33 Den(Calc)= 9.83
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.26(1), 2.16(0.9), 0.791(0.4),0.885(0.3), 1.32(0.3), 1.4(0.2), 2.22(0.2),
 

Physical Properties of Keithconnite

Help on Color: Color: Gray white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Keithconnite

Help on RL Anisotrophism: RL Anisotrophism: Moderate to strong.
Help on RL Color: RL Color: Cream colored, dull cream with brownish tint with kotulskite, gray with telluropalladinite.
Help on RL Pleochroism: RL Pleochroism: Not detectable in air, very slight in oil.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Keithconnite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   40.80   40.60 
   
 420 nm   41.60   41.10 
 440 nm   41.80   41.50 
 460 nm   42.00   42.00 
 480 nm   42.30   42.60 
 500 nm   42.90   43.40 
 520 nm   43.60   44.10 
 540 nm   44.40   44.90 
 560 nm   45.30   45.80 
 580 nm   46.00   46.60 
 600 nm   46.80   47.50 
 620 nm   48.00   48.80 
 640 nm   49.30   49.90 
 660 nm   50.60   50.90 
 680 nm   52.00   52.10 
 700 nm   53.50   53.40 
Calculated Relative Intensity Colors of Keithconnite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210%
R1                  
R2                  
 

Calculated Properties of Keithconnite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=8.35 gm/cc
note: Specific Gravity of Keithconnite =9.83 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.18
Boson Index = 0.82
Help on Photoelectric: Photoelectric: PEKeithconnite = 280.65 barns/electron
U=PEKeithconnite x rElectron Density=2,344.08 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Keithconnite is Not Radioactive
 

Keithconnite Classification
Help on Dana Class: Dana Class: 02.02.06.01 (02)Sulfides - Including Selenides and Tellurides
  (02.02)where Am Bn Xp, with (m+n):p=3:1
  (02.02.06)Dana Group
 
02.02.06.01 Keithconnite Pd3-xTe(x=0.14to0.43) R 3 3
Help on Strunz Class: Strunz Class: 02.BC.20 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.20 Keithconnite Pd3-xTe(x=0.14to0.43) R 3 3
 

Other Keithconnite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Keithconnite :
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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Keithconnite

Pd3-xTe(x=0.14 to 0.43)
Dana No: 02.02.06.01 Strunz No: 02.BC.20
Locality:

 

Notes: