Kotulskite Mineral Data

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:

PdTe_0.75Bi_0.25

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:

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

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.05(1), 2.09(0.9), 2.24(0.9),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

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	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

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:

PE_Kotulskite= 641.58 barns/electron
U=PE_Kotulskite 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

Search for Kotulskite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Kotulskite :

A Bijoux Google Search for Kotulskite
Adam's Minerals Google Search for Kotulskite
Cape Minerals Google Search for Kotulskite
Dakota Matrix Minerals Google Search for Kotulskite
Excalibur Mineral Corp. Google Search for Kotulskite
Exceptional Minerals Google Search for Kotulskite
John Betts Fine Minerals Search for Kotulskite
McDougall Minerals Google Search for Kotulskite
Mineral News Website Link
Rock and Mineral Shows Google Search for Kotulskite
Weinrich Minerals, Inc. Google Search for Kotulskite

Ask about Kotulskite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: