Sobolevskite Mineral Data + Say SOBOLEVSKITE

General Sobolevskite Information
Help on Chemical Formula: Chemical Formula: PdBi
Help on Composition: Composition: Molecular Weight = 315.40 gm
   Bismuth    66.26 %  Bi
   Palladium  33.74 %  Pd
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: PdBi
Help on Environment: Environment: In massive and disseminated mooihoekite-chalcopyrite, troilite=pyrrotite, adn chalcopyrite-cubanite ores.
Help on IMA Status: IMA Status: Approved IMA 1975
Help on Locality: Locality: Oktyabr mine, Talnakh area, Noril'sk, Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Petr Grigorevich Sobolevski (1781-1841), Russian metallurgist, who studied the platinum deposits of the Ural Mountains.
 

Sobolevskite Image

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Sobolevskite   Atokite

Comments: Back-scattered electron image showing a) intergrowth of atokite, mertieite-II [Pd8Sb3] and telluroan sobolevskite [(Pd,Pt)(Bi,Te)] within tetra-auricupride rim. (CanMin, v 42, p 611).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia. Scale: See Image.
© Canadian Mineralogist

Sobolevskite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.34515
Help on Cell Dimensions: Cell Dimensions: a = 4.23, c = 5.69, Z = 2; V = 88.17 Den(Calc)= 11.88
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): 2.26(1), 3.07(1), 2.11(0.9),
Click Here for Large Sobolevskite Structure Window Crystal Structure:

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Bayliss P , The Canadian Mineralogist , 28 (1990) p.751-755, Revised unit cell dimensions, space group,, and chemical formua of some metallic minerals, Note: cell edges taken from Handbook of Mineralogy

 

Physical Properties of Sobolevskite

Help on Cleavage: Cleavage: None
Help on Color: Color: Steel gray.
Help on Density: Density: 11.88
Help on Diaphaniety: Diaphaniety: Opaque
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Metallic
 

Optical Properties of Sobolevskite

Help on RL Anisotrophism: RL Anisotrophism: Strong, in reddish lilac, brown, and pale cream shades.
Help on RL Color: RL Color: Grayish white with creamy tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Sobolevskite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 480 nm   46.70   52.20 
   
 500 nm   48.30   53.60 
 520 nm   50.40   56.10 
 540 nm   52.40   57.70 
 560 nm   54.30   59.70 
 580 nm   55.50   61.00 
 600 nm   56.50   62.00 
 620 nm   57.80   63.50 
 640 nm   59.30   65.00 
 660 nm   60.20   66.20 
 680 nm   60.50   67.50 
 700 nm   60.80   68.30 
Calculated Relative Intensity Colors of Sobolevskite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%
R1                      
R2                      
 

Calculated Properties of Sobolevskite

Help on Electron Density: Electron Density:

relectron=9.72 gm/cc
note: rSobolevskite =11.9 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.07534
Boson Index = 0.92466
Help on Photoelectric: Photoelectric:

PESobolevskite =1,389.80 barns/electron
U=PESobolevskite x relectron=13505.99 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Sobolevskite is Not Radioactive
 

Sobolevskite Classification
Help on Dana Class: Dana Class: 2.8.11.7 (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.20-110 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 Sobolevskite 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 Sobolevskite :
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 -École des Mines de Paris

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Sobolevskite

PdBi
Dana No: 2.8.11.7 Strunz No: II/C.20-110
Locality:

 

Notes:

 
 
   
 
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