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Oulankaite

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About OulankaiteHide

Formula:
(Pd,Pt)5(Cu,Fe)4SnTe2S2
Lustre:
Metallic
Hardness:
3½ - 4
Specific Gravity:
10.27 (Calculated)
Crystal System:
Tetragonal
Name:
Named by Andrew Y. Barkov, Yurii P. Men'shikov, Victor D. Begizov, and Andrew I. Lednev in 1996 for the Oulanka River, that passes near the type locality.
Unique combination of elements. The Cu analogue of UM2004-32-S:AgCuFePdPtSnTe.

Also compare 'argentian oulankaite'.


Classification of OulankaiteHide

Approved
Approval Year:
1990
First Published:
1996
2.BC.40

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.

Physical Properties of OulankaiteHide

Metallic
Transparency:
Opaque
Hardness:
3½ - 4 on Mohs scale
Hardness:
VHN20=156 - 334 kg/mm2 - Vickers
Comment:
microhardness anisotropy
Density:
10.27(1) g/cm3 (Calculated)

Optical Data of OulankaiteHide

Anisotropism:
strong from yellowish-white to bluish-grey
Bireflectance:
strongly bireflectant
Pleochroism:
Visible
Comments:
yellowish-rose to violet-rose

Chemical Properties of OulankaiteHide

Formula:
(Pd,Pt)5(Cu,Fe)4SnTe2S2
IMA Formula:
Pd5Cu4SnTe2S2

Crystallography of OulankaiteHide

Crystal System:
Tetragonal
Cell Parameters:
a = 9.044(3) Å, c = 4.937(3) Å
Ratio:
a:c = 1 : 0.546
Unit Cell V:
403.82 ų (Calculated from Unit Cell)
Z:
2
Twinning:
platy twins

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.472 Å(100)
2.260 Å(90)
2.022 Å(60)
1.361 Å(40)
1.129 Å(50)

Geological EnvironmentHide

Paragenetic Mode(s):
•  Norite

Type Occurrence of OulankaiteHide

General Appearance of Type Material:
platy subhedral to euhedral inclusions in chalcopyrite
Place of Conservation of Type Material:
Fernsman Museum
Geological Setting of Type Material:
In pegmatoidal pyroxenite hosted in microgabbronorite.
Associated Minerals at Type Locality:

Synonyms of OulankaiteHide

Other Language Names for OulankaiteHide

German:Oulankait
Spanish:Oulankaita

Varieties of OulankaiteHide

Argentian OulankaiteA silver-bearing variety of oulankaite.

Common AssociatesHide

Associated Minerals Based on Photo Data:
6 photos of Oulankaite associated with Telargpalite(Pd,Ag)3(Te,Bi)
4 photos of Oulankaite associated with Moncheite(Pt,Pd)(Te,Bi)2
2 photos of Oulankaite associated with TulameenitePt2CuFe
2 photos of Oulankaite associated with ChalcopyriteCuFeS2

Related Minerals - Nickel-Strunz GroupingHide

2.BC.UM2004-45-Se:AgHgPd(Ag,Cu)6Hg2Pd2Se3
2.BC.ColdwellitePd3Ag2SIso. 4 3 2 : P43 3 2
2.BC.05PalladseitePd17Se15Iso. m3m (4/m 3 2/m)
2.BC.05MiassiteRh17S15Iso.
2.BC.05UM2000-47-S:CuFePdPtPtPd(Fe,Cu)S
2.BC.10Oosterboschite(Pd,Cu)7Se5Orth.
2.BC.15ChrisstanleyiteAg2Pd3Se4Mon.
2.BC.15JagüéiteCu2Pd3Se4Mon. 2/m : P21/b
2.BC.20KeithconnitePd20Te7Trig.
2.BC.25Vasilite(Pd,Cu)16(S,Te)7Iso.
2.BC.30TelluropalladinitePd9Te4Mon.
2.BC.35LuberoitePt5Se4Mon. 2/m : P21/b
2.BC.45Telargpalite(Pd,Ag)3(Te,Bi)Iso.
2.BC.50TemagamitePd3HgTe3Trig. 3m : P3m1
2.BC.55SopcheiteAg4Pd3Te4Orth.
2.BC.60LaflammeitePd3Pb2S2Mon.
2.BC.65TischendorfitePd8Hg3Se9Orth.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for OulankaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Barkov, A.Yu., Men'shikov, Y.P., Begizov, V.D., Lednev, A.I. (1996) Oulankaite, a new platinum-group mineral from the Lukkulaisvaara layered intrusion, Northern Karelia, Russia. European Journal of Mineralogy: 8: 311-316.
Mandarino, J.A. (996) Abstracts of New Mineral Descriptions. Mineralogical Record: 27: 465-466.
Barkov, A.Y., Fleet, M.E., Martin, R.F., Tarkian, M. (2004) Compositional variations of oulankaite and a new series of argentian oulankaite from the Lukkulaisvaara layered intrusion, northern Russian Karelia. Canadian Mineralogist: 42: 439-453.
Jambor, J.L., Roberts, A.C. (2005) New mineral names. American Mineralogist: 90: 271-275.

Internet Links for OulankaiteHide

Localities for OulankaiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia
 
  • Krasnoyarsk Krai
    • Taymyrsky Dolgano-Nenetsky District
      • Kureika river
        • Dzheltul'skii massif (Dzhaltul)
Shvedov, G. I., & Barkov, A. Y. (2015). Oulankaite, a Pd-rich stannosulphotelluride, and associated platinum-group minerals from the Dzhaltul microgabbroic intrusion, Krasnoyarskiy kray, Russia. Neues Jahrbuch für Mineralogie-Abhandlungen: Journal of Mineralogy and Geochemistry, 192(3), 229-237.
  • Murmansk Oblast
    • Monche tundra intrusion
Chashchin, V. V., Petrov, S. V., & Drogobuzhskaya, S. V. (2018). Loypishnyun Low-Sulfide Pt–Pd Deposit of the Monchetundra Basic Massif, Kola Peninsula, Russia. Geology of Ore Deposits, 60(5), 418-448.
  • Republic of Karelia
    • Louhi District
      • Oulanka plutonic complex
        • Olanga River (Oulanka River)
[MinRec 27:465]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Barkov, A. Y., Martin, R. F., Tarkian, M., Poirier, G., & Thibault, Y. (2001). Pd–Ag Tellurides from a Cl-rich environment in the Lukkulaisvaara layered intrusion, northern Russian Karelia. The Canadian Mineralogist, 39(2), 639-653.
Barkov, A. Y., Martin, R. F., Tarkian, M., Poirier, G., & Thibault, Y. (2001). Pd–Ag tellurides from a Cl-rich environment in the Lukkulaisvaara layered intrusion, northern Russian Karelia. The Canadian Mineralogist, 39(2), 639-653.
 
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