Kotulskite Mineral Data + Say KOTULSKITE

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General Kotulskite Information
Help on Chemical Formula: Chemical Formula: Pd(Te,Bi)
Help on Composition: Composition: Molecular Weight = 254.37 gm
   Bismuth    20.54 %  Bi
   Tellurium  37.62 %  Te
   Palladium  41.84 %  Pd
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: PdTe0.75Bi0.25
Help on Environment: Environment: As grains in chalcopyrite veins cutting magnetite.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: Monchegorsk, Lake Imandra, Murmansk, Kola peninsula, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vladimir Klement'evich Kotul'skii, economic geologist and an authority on Cu-Ni sulfide deposits.
Help on Synonym: Synonym: ICSD 42552
  PDF 29-971
 

Kotulskite Image

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

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

Kotulskite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.35322
Help on Cell Dimensions: Cell Dimensions: a = 4.19, c = 5.67, Z = 2; V = 86.21 Den(Calc)= 9.80
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.05(1), 2.09(0.9), 2.24(0.9),
Click Here for Large Kotulskite Structure Window Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, Note: ideal nickel arsenide structure

 

Physical Properties of Kotulskite

Help on Cleavage: Cleavage: None
Help on Color: Color: Gray, Steel gray.
Help on Density: Density: 8.26
Help on Diaphaniety: Diaphaniety: Opaque
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Kotulskite

Help on RL Anisotrophism: RL Anisotrophism: Strong, from gray to dark bluish gray.
Help on RL Color: RL Color: Cream or pale yellow.
Help on RL Pleochroism: RL Pleochroism: Distinct, from light cream to darker grayish cream.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Kotulskite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   36.40   33.60 
   
 420 nm   41.50   41.50 
 440 nm   46.60   49.40 
 460 nm   50.20   54.80 
 480 nm   53.40   59.50 
 500 nm   56.00   63.10 
 520 nm   58.20   65.60 
 540 nm   59.60   67.40 
 560 nm   60.70   68.50 
 580 nm   61.20   69.00 
 600 nm   61.50   69.30 
 620 nm   61.90   69.70 
 640 nm   62.30   70.20 
 660 nm   62.80   70.80 
 680 nm   63.30   71.40 
 700 nm   63.90   72.00 
Calculated Relative Intensity Colors of Kotulskite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%
R1                      
R2                      
 

Calculated Properties of Kotulskite

Help on Electron Density: Electron Density:

relectron=8.15 gm/cc
note: rKotulskite =9.80 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.12348
Boson Index = 0.87652
Help on Photoelectric: Photoelectric:

PEKotulskite = 641.58 barns/electron
U=PEKotulskite x relectron=5,227.95 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kotulskite is Not Radioactive
 

Kotulskite Classification
Help on Dana Class: Dana Class: 2.8.11.6 (2)Sulfides - Including Selenides and Tellurides
  (2.8)where Am Bn Xp, with (m+n):p=1:1
  (2.8.11)Nickeline Group (Hexagonal: P63/mmc)
 
2.8.11.1 Nickeline NiAs P 63/mmc 6/m 2/m 2/m
 
2.8.11.2 Breithauptite NiSb P 63/mmc 6/m 2/m 2/m
 
2.8.11.3 Sederholmite NiSe P 63/mmc 6/m 2/m 2/m
 
2.8.11.4 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 63/mmc 6/m 2/m 2/m
 
2.8.11.5 Sudburyite (Pd,Ni)Sb P 63/mmc 6/m 2/m 2/m
 
2.8.11.6 Kotulskite Pd(Te,Bi) P 63/mmc 6/m 2/m 2/m
 
2.8.11.7 Sobolevskite PdBi P 63/mmc 6/m 2/m 2/m
 
2.8.11.8 Stumpflite Pt(Sb,Bi) P 63/mmc 6/m 2/m 2/m
 
2.8.11.9 Langisite (Co,Ni)As P 63/mmc 6/m 2/m 2/m
 
2.8.11.10 Freboldite CoSe P 63/mmc 6/m 2/m 2/m
 
2.8.11.11 Sorosite! Cu(Sn,Sb) P 63/mmc 6/m 2/m 2/m
Help on Strunz Class: Strunz Class: II/C.20-80 II - Sulfides and sulphosalts
  II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1
  II/C.20 - Nickeline group and related compounds, Polarite - Cherepanovite series
 
II/C.20-05 Sorosite! Cu(Sn,Sb) P 63/mmc 6/m 2/m 2/m
 
II/C.20-10 Langisite (Co,Ni)As P 63/mmc 6/m 2/m 2/m
 
II/C.20-20 Nickeline NiAs P 63/mmc 6/m 2/m 2/m
 
II/C.20-30 Breithauptite NiSb P 63/mmc 6/m 2/m 2/m
 
II/C.20-40 Freboldite CoSe P 63/mmc 6/m 2/m 2/m
 
II/C.20-50 Sederholmite NiSe P 63/mmc 6/m 2/m 2/m
 
II/C.20-70 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 63/mmc 6/m 2/m 2/m
 
II/C.20-75 Yuanjiangite AuSn P 63/mmc 6/m 2/m 2/m
 
II/C.20-80 Kotulskite Pd(Te,Bi) P 63/mmc 6/m 2/m 2/m
 
II/C.20-90 Sudburyite (Pd,Ni)Sb P 63/mmc 6/m 2/m 2/m
 
II/C.20-95 Stumpflite Pt(Sb,Bi) P 63/mmc 6/m 2/m 2/m
 
II/C.20-100 Polarite Pd(Bi,Pb) Ccm21 mm2
 
II/C.20-110 Sobolevskite PdBi P 63/mmc 6/m 2/m 2/m
 
II/C.20-120 Ruthenarsenite (Ru,Ni)As P nma 2/m 2/m 2/m
 
II/C.20-130 Cherepanovite RhAs P nma 2/m 2/m 2/m
 

Other Kotulskite 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 Kotulskite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Kotulskite

Pd(Te,Bi)
Dana No: 2.8.11.6 Strunz No: II/C.20-80
Locality:

 

Notes:

 
 
   
 
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