Kotulskite Mineral Data (original) (raw)
General Kotulskite Information
Chemical Formula:
Pd(Te,Bi)
Composition:
Molecular Weight = 254.37 gm
Bismuth 20.54 % Bi
Tellurium 37.62 % Te
Palladium 41.84 % Pd
______
100.00 %
Empirical Formula:
PdTe0.75Bi0.25
Environment:
As grains in chalcopyrite veins cutting magnetite.
IMA Status:
Approved IMA 1963
Locality:
Monchegorsk, Lake Imandra, Murmansk, Kola peninsula, Russia Link to MinDat.org Location Data.
Name Origin:
Named for Vladimir Klement'evich Kotul'skii, economic geologist and an authority on Cu-Ni sulfide deposits.
Name Pronunciation:
Kotulskite + Pronunciation 
Synonym:
ICSD 42552
PDF 29-971
Kotulskite Image
Images:
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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 |
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Kotulskite Crystallography
Axial Ratios:
a:c = 1:1.35322
Cell Dimensions:
a = 4.19, c = 5.67, Z = 2; V = 86.21 Den(Calc)= 9.80
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): 3.05(1), 2.09(0.9), 2.24(0.9),
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
Cleavage:
None
Color:
Gray, Steel gray.
Density:
8.26
Diaphaneity:
Opaque
Habit:
Inclusions - Generally found as inclusions in other minerals.
Hardness:
4-4.5 - Between Fluorite and Apatite
Luster:
Metallic
Optical Properties of Kotulskite
RL Anisotrophism:
Strong, from gray to dark bluish gray.
RL Color:
Cream or pale yellow.
RL Pleochroism:
Distinct, from light cream to darker grayish cream.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Kotulskite in Air
| λ | R1 | R 2 |  |
∑ R1(λ) | ∑ R2(λ) |
|---|---|---|---|---|---|
| 400 nm | 36.40 | 33.60 |  |
||
| 420 nm | 41.50 | 41.50 |  |
||
| 440 nm | 46.60 | 49.40 |  |
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| 460 nm | 50.20 | 54.80 |  |
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| 480 nm | 53.40 | 59.50 |  |
||
| 500 nm | 56.00 | 63.10 |  |
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| 520 nm | 58.20 | 65.60 |  |
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| 540 nm | 59.60 | 67.40 |  |
||
| 560 nm | 60.70 | 68.50 |  |
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| 580 nm | 61.20 | 69.00 |  |
||
| 600 nm | 61.50 | 69.30 |  |
||
| 620 nm | 61.90 | 69.70 |  |
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| 640 nm | 62.30 | 70.20 |  |
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| 660 nm | 62.80 | 70.80 |  |
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| 680 nm | 63.30 | 71.40 |  |
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| 700 nm | 63.90 | 72.00 |  |
Calculated Relative Intensity Colors of Kotulskite in Air
| RelativeIntensity | 0% | 20% | 40% | 60% | 80% | 100% | 120% | 140% | 160% | 180% | 190% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| R1 | |||||||||||
| R2 |
Calculated Properties of Kotulskite
Electron Density:
Bulk Density (Electron Density)=8.15 gm/cc
note: Specific Gravity of Kotulskite =9.80 gm/cc.
Fermion Index:
Fermion Index = 0.12
Boson Index = 0.88
Photoelectric:
PEKotulskite = 641.58 barns/electron
U=PEKotulskite x rElectron Density=5,227.95 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kotulskite is Not Radioactive
Kotulskite Classification
Dana Class:
02.08.11.06 (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 Kotulskite Information
References:
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
See Also:
Links to other databases for Kotulskite :
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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Kotulskite Specimen Label here :
Kotulskite
Pd(Te,Bi)
Dana No: 02.08.11.06 Strunz No: 02.CC.05
Locality:
Notes: