Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Skaergaardite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Skaergaard intrusion, Kangerlussuaq complex, Kangerlussuaq Firth, Tunu (East Greenland) Province, Greenland
© 2008, JGW

Show Skaergaardite Photos (2)



Formula:
PdCu
System:IsometricColour:Steel grey
Name:Named after the Skaergaard intrusion, Kangerlussuaq area, East Greenland.
This page provides mineralogical data about Skaergaardite.

Classification of Skaergaardite

IMA status:Approved 2003
Strunz 8th edition ID:1/A.14-88
Nickel-Strunz 10th (pending) edition ID:1.AG.45

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
G : PGE-metal alloys
Dana 7th edition ID:1.2.3.2
mindat.org URL:http://www.mindat.org/min-26980.html
Please feel free to link to this page.

Type Occurrence of Skaergaardite

Type Locality:Skaergaard intrusion, Kangerlussuaq complex, Kangerlussuaq Firth, Tunu (East Greenland) Province, Greenland
General Appearance of Type Material:Skaergaardite occurs as droplets, equant grains with rounded outlines, subhedral to euhedral
crystals and as irregular grains that vary in size from 2 to 75 mm, averaging 22 mm.
Geological Setting of type material:In a tholeyitic gabbro.
Associated Minerals at type locality:
VasiliteTitaniferous MagnetiteSphaleriteOrthopyroxene SubgroupKeithconnite
IlmeniteHornblendeFayaliteEpidoteDigenite
CobaltpentlanditeCobaltpentlanditeClinopyroxene SubgroupChlorite GroupChlorite Group
Chlorite GroupChalcopyriteChalcociteCalciteBornite
BaddeleyiteApatiteAnkeriteAlbite-Anorthite SeriesActinolite

Physical Properties of Skaergaardite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Steel grey
Streak:Black
Hardness (Vickers):VHN25=257 kg/mm2
Tenacity:Sectile
Cleavage:None Observed
Fracture:None observed
Density (calculated):10.64 g/cm3

Crystallography of Skaergaardite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Pm3m {P4/m 3 2/m}
Cell Parameters:a = 3.0014Å
Unit Cell Volume:V 27.0378 ų
Z:1
X-Ray Powder Diffraction:
d-spacingIntensity
2.122(100)
1.5000(20)
1.2254(50)
0.9491(20)
0.8666(10)
0.8021(70)

Optical Data of Skaergaardite

Type:Isotropic
Reflectivity:
400nmR1=55.1%R2=55.1%imR1=43.8%imR2=43.8%
420nmR1=56.1%R2=56.1%imR1=44.8%imR2=44.8%
440nmR1=56.9%R2=56.9%imR1=45.7%imR2=45.7%
460nmR1=58.0%R2=58.0%imR1=46.8%imR2=46.8%
470nmR1=58.65%R2=58.65%imR1=47.4%imR2=47.4%
480nmR1=59.3%R2=59.3%imR1=48.1%imR2=48.1%
500nmR1=60.2%R2=60.2%imR1=49.0%imR2=49.0%
520nmR1=61.2%R2=61.2%imR1=50.2%imR2=50.2%
540nmR1=62.4%R2=62.4%imR1=50.9%imR2=50.9%
546nmR1=62.6%R2=62.6%imR1=51.1%imR2=51.1%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 62.6%.
R1 shown in black, R2 shown in red, imR1 shown in green, imR2 shown in blue

Chemical Properties of Skaergaardite

Formula:
PdCu
All elements listed in formula:Cu, Pd

Relationship of Skaergaardite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AG.05Hexaferrum
(Fe,Os,Ru,Ir)
1.AG.05Garutiite
(Ni,Fe,Ir)
1.AG.10Atokite
(Pd,Pt)
 
3
Sn
1.AG.10Rustenburgite
(Pt,Pd)
 
3
Sn
1.AG.10Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.AG.15Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.AG.15Tatyanaite
(Pt,Pd,Cu)
 
9
Cu
 
3
Sn
 
4
1.AG.20Paolovite
Pd
 
2
Sn
1.AG.25Plumbopalladinite
Pd
 
3
Pb
 
2
1.AG.25Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.AG.30Cabriite
Pd
 
2
SnCu
1.AG.35Chengdeite
Ir
 
3
Fe
1.AG.35Isoferroplatinum
Pt
 
3
Fe
1.AG.40Ferronickelplatinum
Pt
 
2
FeNi
1.AG.40Tetraferroplatinum
PtFe
1.AG.40Tulameenite
Pt
 
2
CuFe
1.AG.45Hongshiite
PtCu
1.AG.50Yixunite
Pt
 
3
In
1.AG.55Damiaoite
PtIn
 
2
1.AG.60Niggliite
PtSn
1.AG.65Bortnikovite
Pd
 
4
Cu
 
3
Zn
1.AG.70Nielsenite
PdCu
 
3
Related Minerals - Dana Grouping):

- +
1.2.3.1Hongshiite
PtCu
1.2.3.3Nielsenite
PdCu
 
3
1.2.3.4Bortnikovite
Pd
 
4
Cu
 
3
Zn

Other Names for Skaergaardite

Synonyms:
IMA2003-049
Other Languages:
Russian:Скаергаардит

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 Skaergaardite

Reference List:

- +
Rudashevsky, N.S., McDonald, A.M., Cabri, L.J., Nielsen, T.F.D., Stanley, C.J., Kretzer, Yu.L., and Rudashevsky, V.N. (2004) Skaergaardite, PdCu, a new platinum-group intermetallic mineral from the Skaergaard intrusion, Greenland. Mineralogical Magazine: 68(4): 615–632.

Internet Links for Skaergaardite

Search Engines:
  • Look for Skaergaardite on Google
  • Look for Skaergaardite images on Google
    • External Links:
  • Look for Skaergaardite on Webmineral
  • Look for Skaergaardite on Athena Mineralogy
  • Look for Skaergaardite on Wikipedia
  • Look for Skaergaardite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Fine Minerals from Weinrich Minerals, Inc.
  • Rare and Unusual minerals at Mineralogical Research Company
  • Search for Skaergaardite from all mineral dealers at minfind.com
  • Wilensky Fine Minerals
  • By minerals from YourMineralCollection
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Top quality minerals from Kristalle of California
  • The Arkenstone - Fine Minerals
  • Edwards Minerals - Fine Specimens
  • High-end worldwide specimens & outstanding customer service
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Buy fine minerals and gemstones from Pala International
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Skaergaardite

    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.
    Hide Locality List
    (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.
    Greece
     
    • Epirus (Ipeiros) Department
      • Pindos Mts
        • Pindos ophiolite complex
    		Argyrios Kapsiotis, Tassos A. Grammatikopoulos, Basilios Tsikouras and Konstantinos Hatzipanagiotou (2010): Platinum-Group Mineral Characterization in Concentrates from High-Grade PGE Al-rich Chromitites of Korydallos Area in the Pindos Ophiolite Complex (NW Greece). Resource Geology 60, 178-191.
    Greenland
     
    • Tunu (East Greenland) Province
      • Kangerlussuaq Firth
        • Kangerlussuaq complex
    		Mineralogical Magazine, August 2004, Vol. 68(4), pp. 615–632.
    Russia
     
    • Far-Eastern Region
      • Khabarovskiy Kray
        • Ayan-Maya district
          • Aldan shield
    		Cabri, L.J., Laflamme, H.H. Giles, (1997), Platinum Group Minerals from the Konder Massif, Russian Far East, Min Rec. 28, 97-106
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Fedorovo-Pansky massif (Pana layered complex)
    		33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Platinum-group minerals in the PGE deposit of the Fedorovo-Pansky layered intrusion, Kola Peninsula
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 7th Jul 2011 06:34:21
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds