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Ungavaite

Formula:
Pd
 
4
Sb
 
3
System:Tetragonal
Name:To recall the region in which it was discovered, Ugava region, northern Québec, Canada.


An intermetallic mineral.

Pd-dominant analogue of genkinite.

Classification of Ungavaite

IMA status:Approved 2004
Nickel-Strunz 10th (pending) edition ID:2.AC.35b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
C : Alloys of metalloids with PGE
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Type Occurrence of Ungavaite

Type Locality:Mesamax Northwest deposit, Ungava, Nunavik, Nord-du-Québec, Québec, Canada
Place of Conservation of Type Material:Holotype Natural History Museum, Cromwell Road, London, SW7 5BD, UK (polished section #BM 2004, 34), and the Canadian Museum of Nature, Ottawa (polished section; #CNMMN 84397).
Geological Setting of type material:In a narrow (Pd+Sb)-rich zone separating massive and disseminated sulfides.
Associated Minerals at type locality:
SudburyiteSphaleriteSperrylitePyrrhotitePetzite
PentlanditeNaldrettiteMicheneriteMagnetiteHessite
GalenaElectrumCobaltiteChlorite GroupChalcopyrite
Altaite

Physical Properties of Ungavaite

Density (calculated):7.264 g/cm3

Crystallography of Ungavaite

Crystal System:Tetragonal
Class (H-M):4 2 2 - Trapezohedral
Space Group:P41 21 2
Cell Parameters:a = 7.7388Å, c = 24.145Å
Ratio:a:c = 1 : 3.12
Unit Cell Volume:V 1446.02 ų
Z:8
X-Ray Powder Diffraction:
d-spacingIntensity
3.0077(90)
2.2633(100)
2.1471(30)
1.9404(60)
1.2465(30)
1.2002(30)
Comments:From type description.

Chemical Properties of Ungavaite

Formula:
Pd
 
4
Sb
 
3
All elements listed in formula:Pd, Sb

Relationship of Ungavaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.AC.05aAtheneite
(Pd,Hg)
 
3
As
2.AC.05bVincentite
Pd
 
3
As
2.AC.10cArsenopalladinite
Pd
 
8
(As,Sb)
 
3
2.AC.10bMertieite-II
Pd
 
8
(Sb,As)
 
3
2.AC.10aStillwaterite
Pd
 
8
As
 
3
2.AC.15aIsomertieite
Pd
 
11
Sb
 
2
As
 
2
2.AC.15bMertieite-I
Pd
 
11
(Sb,As)
 
4
2.AC.15aMiessiite
Pd
 
11
Te
 
2
Se
 
2
2.AC.20bPalarstanide
Pd
 
8
(As,Sn)
 
3
2.AC.20aStibiopalladinite
Pd
 
5
Sb
 
2
2.AC.20cMenshikovite
Pd
 
3
Ni
 
2
As
 
3
2.AC.25eMajakite
PdNiAs
2.AC.25aPalladoarsenide
Pd
 
2
As
2.AC.25fPalladobismutharsenide
Pd
 
2
(As,Bi)
2.AC.25cPalladodymite
(Pd,Rh)
 
2
As
2.AC.25bRhodarsenide
(Rh,Pd)
 
2
As
2.AC.25dNaldrettite
Pd
 
2
Sb
2.AC.30UM1999-02-As:NiRh
(Rh,Ni)
 
7
As
 
4
2.AC.30Polkanovite
Rh
 
12
As
 
7
2.AC.35aGenkinite
(Pt,Pd,Rh)
 
4
Sb
 
3
2.AC.40Polarite
Pd(Bi,Pb)
2.AC.45cBorishanskiite
Pd
 
1+x
(As,Pb)
 
2
 , x = 0-0.2
2.AC.45aFroodite
α-PdBi
 
2
2.AC.45bIridarsenite
(Ir,Ru)As
 
2

Other Names for Ungavaite

Synonyms:
IMA2004-020
Other Languages:
German:Ungavait

Other Information

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

References for Ungavaite

Reference List:McDonald, A.M., Cabri, L.J., Stanley, C.J., Rudashevsky, N.S., Poirier, G., Mungall, J.E., Ross, K.C., Durham, B.R., and Rudashevsky, V.N. (2005) Ungavaite, Pd4Sb3, a new intermetallic mineral species from the Mesamax Northwest deposit, Ungava region, Québec, Canada: Description and genetic implications. CAnadian Mineralogist: 43: 1735-1744.

Internet Links for Ungavaite

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    Localities for Ungavaite

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    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Québec
      • Nord-du-Québec
        • Nunavik
          • Ungava
    		McDonald et al (2005), Canadian Mineralogist: 43: 1735-1744.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Nov 2009 20:19:14