Sobolevskite Mineral Data (original) (raw)
General Sobolevskite Information
Chemical Formula:
PdBi
Composition:
Molecular Weight = 315.40 gm
Bismuth 66.26 % Bi
Palladium 33.74 % Pd
______
100.00 %
Empirical Formula:
PdBi
Environment:
In massive and disseminated mooihoekite-chalcopyrite, troilite=pyrrotite, adn chalcopyrite-cubanite ores.
IMA Status:
Approved IMA 1975
Locality:
Oktyabr mine, Talnakh area, Noril'sk, Siberia, Russia. Link to MinDat.org Location Data.
Name Origin:
Named for Petr Grigorevich Sobolevski (1781-1841), Russian metallurgist, who studied the platinum deposits of the Ural Mountains.
Name Pronunciation:
Sobolevskite + Pronunciation 
Sobolevskite Image
Images:
 |
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 |
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Sobolevskite Crystallography
Axial Ratios:
a:c = 1:1.34515
Cell Dimensions:
a = 4.23, c = 5.69, Z = 2; V = 88.17 Den(Calc)= 11.88
Crystal System:
Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
X Ray Diffraction:
By Intensity(I/Io): 2.26(1), 3.07(1), 2.11(0.9),
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
Cleavage:
None
Color:
Steel gray.
Density:
11.88
Diaphaneity:
Opaque
Habit:
Inclusions - Generally found as inclusions in other minerals.
Habit:
Microscopic Crystals - Crystals visible only with microscopes.
Hardness:
4 - Fluorite
Luster:
Metallic
Optical Properties of Sobolevskite
RL Anisotrophism:
Strong, in reddish lilac, brown, and pale cream shades.
RL Color:
Grayish white with creamy tint.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Sobolevskite in Air
| λ | R1 | R 2 |  |
∑ R1(λ) | ∑ R2(λ) |
|---|---|---|---|---|---|
| 480 nm | 46.70 | 52.20 |  |
||
| 500 nm | 48.30 | 53.60 |  |
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| 520 nm | 50.40 | 56.10 |  |
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| 540 nm | 52.40 | 57.70 |  |
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| 560 nm | 54.30 | 59.70 |  |
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| 580 nm | 55.50 | 61.00 |  |
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| 600 nm | 56.50 | 62.00 |  |
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| 620 nm | 57.80 | 63.50 |  |
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| 640 nm | 59.30 | 65.00 |  |
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| 660 nm | 60.20 | 66.20 |  |
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| 680 nm | 60.50 | 67.50 |  |
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| 700 nm | 60.80 | 68.30 |  |
Calculated Relative Intensity Colors of Sobolevskite in Air
| RelativeIntensity | 0% | 20% | 40% | 60% | 80% | 100% | 120% | 140% | 160% | 180% | 190% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| R1 | |||||||||||
| R2 |
Calculated Properties of Sobolevskite
Electron Density:
Bulk Density (Electron Density)=9.72 gm/cc
note: Specific Gravity of Sobolevskite =11.9 gm/cc.
Fermion Index:
Fermion Index = 0.07
Boson Index = 0.93
Photoelectric:
PESobolevskite =1,389.80 barns/electron
U=PESobolevskite x rElectron Density=13505.99 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sobolevskite is Not Radioactive
Sobolevskite Classification
Dana Class:
02.08.11.07 (02)Sulfides - Including Selenides and Tellurides
(02.08)where Am Bn Xp, with (m+n):p=1:1
(02.08.11)Nickeline Group (Hexagonal: P63/mmc)
02.08.11.01 Nickeline NiAs P 63/mmc 6/m 2/m 2/m
02.08.11.02 Breithauptite NiSb P 63/mmc 6/m 2/m 2/m
02.08.11.03 Sederholmite NiSe P 63/mmc 6/m 2/m 2/m
02.08.11.04 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 63/mmc 6/m 2/m 2/m
02.08.11.05 Sudburyite (Pd,Ni)Sb P 63/mmc 6/m 2/m 2/m
02.08.11.06 Kotulskite Pd(Te,Bi) P 63/mmc 6/m 2/m 2/m
02.08.11.07 Sobolevskite PdBi P 63/mmc 6/m 2/m 2/m
02.08.11.08 Stumpflite Pt(Sb,Bi) P 63/mmc 6/m 2/m 2/m
02.08.11.09 Langisite (Co,Ni)As P 63/mmc 6/m 2/m 2/m
02.08.11.10 Freboldite CoSe P 63/mmc 6/m 2/m 2/m
02.08.11.11 Achavalite! FeSe P 63/mmc 6/m 2/m 2/m
02.08.11.12 Sorosite! Cu(Sn,Sb) P 63/mmc 6/m 2/m 2/m
02.08.11.13 Vavrinite! Ni2SbTe2 P 63/mmc 6/m 2/m 2/m
Strunz Class:
02.CC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
02.C - Metal Sulfides, M:S = 1:1 (and similar)
02.CC -With Ni, Fe, Co, PGE, etc.
02.CC.05 Achavalite FeSe P 63/mmc 6/m 2/m 2/m
02.CC.05 Breithauptite NiSb P 63/mmc 6/m 2/m 2/m
02.CC.05 Freboldite CoSe P 63/mmc 6/m 2/m 2/m
02.CC.05 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 63/mmc 6/m 2/m 2/m
02.CC.05 Langisite (Co,Ni)As P 63/mmc 6/m 2/m 2/m
02.CC.05 Jaipurite* CoS P 63/mmc 6/m 2/m 2/m
02.CC.05 Kotulskite Pd(Te,Bi) P 63/mmc 6/m 2/m 2/m
02.CC.05 Nickeline NiAs P 63/mmc 6/m 2/m 2/m
02.CC.05 Zlatogorite! CuNiSb2 P 3m1 3 2/m
02.CC.05 Sederholmite NiSe P 63/mmc 6/m 2/m 2/m
02.CC.05 Stumpflite Pt(Sb,Bi) P 63/mmc 6/m 2/m 2/m
02.CC.05 Sudburyite (Pd,Ni)Sb P 63/mmc 6/m 2/m 2/m
02.CC.05 Sobolevskite PdBi P 63/mmc 6/m 2/m 2/m
Other Sobolevskite Information
References:
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
See Also:
Links to other databases for Sobolevskite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Print or Cut-and-Paste your Sobolevskite Specimen Label here :
Sobolevskite
PdBi
Dana No: 02.08.11.07 Strunz No: 02.CC.05
Locality:
Notes: