Oulankaite Mineral Data

General Oulankaite Information

Chemical Formula:

(Pd,Pt)5(Cu,Fe)4SnTe2S2

Composition:

Molecular Weight = 1,327.45 gm

Iron 4.21 % Fe

Copper 14.36 % Cu

Tin 8.94 % Sn

Tellurium 19.22 % Te

Palladium 30.06 % Pd

Platinum 18.37 % Pt

Sulfur 4.83 % S

______

100.00 %

Empirical Formula:

Pd_3.75Pt_1.25Cu₃Fe²⁺SnTe₂S₂

Environment:

In pegmatoidal, plagioclase-bearing pyroxenite.

IMA Status:

Approved IMA 1996 (Dana # Added)

Locality:

The Lukkulaisvaara layered intrusion in the Oulanka complex, northern Karelia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named after the Oulanka river, which is near the occurrence.

Name Pronunciation:

Oulankaite + Pronunciation

Synonym:

IMA1990-055

Oulongaite

Oulankaite Image

Images:

Oulankaite Telargpalite Tulameenite Chalcopyrite

Comments: Gray long-prismatic crystal of oulankaite with light grayish telargpalite and pale yellowish-white rims of tulameenite in massive yellowish chalcopyrite. Polished section (from microprobe analysis) in reflected light.
Location: Lukkulaisvaara ultrabasic Massif, Olanga (Oulanka) River, Oulanka plutonic complex, Karelia Republic, Northern Region, Russia. Scale: Picture size 0.12 mm.
© Thomas Witzke / Abraxas-Verlag

Oulankaite Crystallography

Axial Ratios:

a:c = 1:0.54588

Cell Dimensions:

a = 9.044, c = 4.937, Z = 2; V = 403.82 Den(Calc)= 10.92

Crystal System:

Tetragonal

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

By Intensity(I/I_o): 2.472(1), 2.26(0.9), 2.022(0.6),

Physical Properties of Oulankaite

Cleavage:

{???} Perfect

Color:

Rose, Violet rose.

Density:

10.27

Diaphaneity:

Opaque

Fracture:

Unknown - Minerals too small to observe fractures.

Habit:

Platy - Sheet forms (e.g. micas).

Habit:

Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.

Hardness:

3.5-4 - Copper Penny-Fluorite

Luminescence:

Non-fluorescent.

Luster:

Metallic

Calculated Properties of Oulankaite

Electron Density:

Bulk Density (Electron Density)=9.36 gm/cc
note: Specific Gravity of Oulankaite =10.9 gm/cc.

Fermion Index:

Fermion Index = 0.16
Boson Index = 0.84

Photoelectric:

PE_Oulankaite= 457.19 barns/electron
U=PE_Oulankaite x rElectron Density=4,280.02 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Oulankaite is Not Radioactive

Oulankaite Classification

Dana Class:

02.06.04.02 (02)Sulfides - Including Selenides and Tellurides

(02.06)where Am Bn Xp, with (m+n):p=4:3

(02.06.04)Genkinite Group

02.06.04.01 Genkinite (Pt,Pd)4Sb3 P 4₁2₁2 4 2 2

02.06.04.02 Oulankaite! (Pd,Pt)5(Cu,Fe)4SnTe2S2 Tetra

02.06.04.03 Ungavaite! Pd4Sb3 P 4₁2₁2, P 4₁22, P 4₃2₁2 4 2 2

Strunz Class:

02.BC.40 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)

02.BC -With Rh, Pd, Pt, etc.

02.BC.40 Oulankaite! (Pd,Pt)5(Cu,Fe)4SnTe2S2 Tetra

Other Oulankaite Information

References:

NAME( MinRec) PHYS. PROP.(Eur. J. Min.,Vol.8,p311-316,1996)

See Also:

Links to other databases for Oulankaite :
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 Oulankaite Specimen Label here :

Oulankaite

(Pd,Pt)5(Cu,Fe)4SnTe2S2
Dana No: 02.06.04.02 Strunz No: 02.BC.40
Locality:

Notes: