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Athabascaite

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Formula:
Cu5Se4
System:
Orthorhombic
Colour:
Light grey, bluish-grey ...
Lustre:
Metallic
Hardness:
Name:
For the type locality
This page provides mineralogical data about Athabascaite.

Classification of Athabascaite

Approved
2.BA.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
2.16.17.1

2 : SULFIDES
16 : Miscellaneous
3.1.13

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu
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Type Occurrence of Athabascaite

Place of Conservation of Type Material:
National Museum of Canada, Ottawa; Royal Ontario Museum, Toronto, Canada, M29432.
Year of Discovery:
1970
Geological Setting of Type Material:
As inclusions in and replacements of umangite, as stringers and veinlets in carbonate veins cutting basalt.

Occurrences of Athabascaite

Geological Setting:
In basaltic rocks

Physical Properties of Athabascaite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Light grey, bluish-grey to white
Hardness (Mohs):
Hardness (Vickers):
VHN15=78 kg/mm2
Density:
6.59 g/cm3 (Calculated)

Crystallography of Athabascaite

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.227Å, b = 11.982Å, c = 6.441Å
Ratio:
a:b:c = 0.687 : 1 : 0.538
Unit Cell Volume:
V 634.93 ų (Calculated from Unit Cell)
Z:
4
Morphology:
laths to 100 microns
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.44 (30)
3.235 (100)
3.015 (60)
1.997 (80)
1.893 (50)
1.817 (30)
1.664 (40)
Comments:
Martin Lake mine, Canada.

Optical Data of Athabascaite

Type:
Anisotropic
Anisotropism:
Strong, creamy white to dark blue
Reflectivity:
400nmR1=21.2%R2= 25.1%
420nmR1=19.9%R2= 25.2%
440nmR1=19.6%R2= 25.3%
460nmR1=19.3%R2= 25.4%
480nmR1=19.0%R2= 25.5%
500nmR1=18.6%R2= 25.6%
520nmR1=18.3%R2= 25.6%
540nmR1=17.8%R2= 25.5%
560nmR1=17.4%R2= 25.4%
580nmR1=16.9%R2= 25.1%
600nmR1=16.3%R2= 25.0%
620nmR1=15.5%R2= 24.5%
640nmR1=15.0%R2= 24.2%
660nmR1=14.2%R2= 23.7%
680nmR1=13.4%R2= 23.1%
700nmR1=12.5%R2= 22.4%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 25.6%.
R1 shown in black, R2 shown in red
Pleochroism:
Weak
Comments:
Light gray to blue-gray

Chemical Properties of Athabascaite

Formula:
Cu5Se4
Essential elements:
All elements listed in formula:
Analytical Data:
Chaméane mine, France; by electron microprobe.
Ag (0.43)
Cu (50.96)
Se (46.64)
S (2.12)
Total (100.15)
Empirical Formula:
(Cu4.88Ag0.02)(Se3.60S0.40)
Common Impurities:
S

Relationship of Athabascaite to other Species

2.BA.05ChalcociteCu2S
2.BA.05DjurleiteCu31S16
2.BA.05GeeriteCu8S5
2.BA.05RoxbyiteCu9S5
2.BA.10AniliteCu7S4
2.BA.10DigeniteCu9S5
2.BA.15BorniteCu5FeS4
2.BA.20BellidoiteCu2Se
2.BA.20BerzelianiteCu2Se
2.BA.25UmangiteCu3Se2
2.BA.30RickarditeCu7Te5
2.BA.30WeissiteCu2-xTe
2.BA.35AcanthiteAg2S
2.BA.40MckinstryiteAg5-xCu3+xS4
2.BA.40StromeyeriteAgCuS
2.BA.40dUM2003-13-S:AgAuCuAg6AuCu2S5
2.BA.45JalpaiteAg3CuS2
2.BA.45SelenojalpaiteAg3CuSe2
2.BA.50EucairiteAgCuSe
2.BA.55AguilariteAg4SeS
2.BA.55NaumanniteAg2Se
2.BA.60CervelleiteAg4TeS
2.BA.60HessiteAg2Te
2.BA.60ChenguodaiteAg9Fe3+Te2S4
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36
2.BA.70ArgyroditeAg8GeS6
2.BA.70CanfielditeAg8SnS6
2.BA.70Putzite(Cu4.7Ag3.3)GeS6
2.BA.75FischesseriteAg3AuSe2
2.BA.75Penzhinite(Ag,Cu)4Au(S,Se)4
2.BA.75PetrovskaiteAuAg(S,Se)
2.BA.75PetziteAg3AuTe2
2.BA.75UytenbogaardtiteAg3AuS2
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)
2.BA.80BilibinskitePbCu2Au3Te2
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)
3.1.1ChalcociteCu2S
3.1.2DjurleiteCu31S16
3.1.3DigeniteCu9S5
3.1.4AniliteCu7S4
3.1.5RoxbyiteCu9S5
3.1.6SpionkopiteCu39S28
3.1.7GeeriteCu8S5
3.1.8CovelliteCuS
3.1.9BerzelianiteCu2Se
3.1.10BellidoiteCu2Se
3.1.11UmangiteCu3Se2
3.1.12YarrowiteCu9S8
3.1.14KlockmanniteCuSe
3.1.15Krut'aiteCuSe2
3.1.16WeissiteCu2-xTe
3.1.17RickarditeCu7Te5
3.1.18VulcaniteCuTe
3.1.19BambollaiteCu(Se,Te)2
3.1.20LautiteCuAsS
3.1.21MgriiteCu3AsSe3
3.1.22CubaniteCuFe2S3
3.1.23BorniteCu5FeS4
3.1.24FukuchiliteCu3FeS8
3.1.25ChalcopyriteCuFeS2
3.1.26MooihoekiteCu9Fe9S16
3.1.27HaycockiteCu4Fe5S8
3.1.28IsocubaniteCuFe2S3
3.1.29IdaiteCu5FeS6
3.1.30NukundamiteCu3.4Fe0.6S4
3.1.31PutoraniteCu9(Fe,Ni)9S16
3.1.32Orickite2CuFeS2 · H2O
3.1.33EskeborniteCuFeSe2
3.1.34Chaméanite(Cu,Fe)4As(Se,S)4
3.1.35TalnakhiteCu9(Fe,Ni)8S16

Other Names for Athabascaite

Name in Other Languages:
Simplified Chinese:斜方硒铜矿
Spanish:Athabascaita
Traditional Chinese:斜方硒銅礦

Other Information

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 Athabascaite

Reference List:
HARRIS, D.C., CABRI, L.J. & KAIMAN, S. (1969): A new copper selenide from Martin Lake, Saskatchewan. Canadian Mineralogist 10, 135-136 (abstr.).

HARRIS, D.C., CABRI, L.J. & KAIMAN, S. (1970): Athabascaite, a new copper selenide mineral from Martin Lake, Saskatchewan. Canadian Mineralogist 10, 207-215.

Internet Links for Athabascaite

Localities for Athabascaite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Argentina
 
  • La Rioja
    • General Lamadrid department
      • Villa Castelli
Excalibur Mineral specimen
Canada
 
  • Nunavut Territory
    • Kivalliq Region
      • Baker Lake
Miller A. (1980) Uranium Geology of the Eastern Baker Lake Basin, District of Keewatin, Northwest Territories; G.S.C. Bulletin 330.
  • Saskatchewan
    • Beaverlodge Region
      • Lake Athabasca
        • Uranium City
HARRIS, D.C., CABRI, L.J. & KAIMAN, S. (1969): A new copper selenide from Martin Lake, Saskatchewan. Canadian Mineralogist 10, 135 136 (abstr.). HARRIS, D.C., CABRI, L.J. & KAIMAN, S. (1970): Athabascaite, a new copper selenide mineral from Martin Lake, Saskatchewan. Canadian Mineralogist 10, 207-215. Econ Geol (1997) 92:468-484
China
 
  • Inner Mongolia Autonomous Region
    • Alxa League (Alashan Prefecture)
      • Alxa Right Banner (Alashan Youqi)
Jiayong Pan, Chengdong Liu, Guolin Guo, Anping Chen, Fazheng Chen, Zhaobin Yan, Yiping Chen, and Rengui Wu (2009): Acta Mineralogica Sinica 29(1), 44-48
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    • Plzeň Region
      • Planá u Mariánských Lázní (Plan)
Scharmová, M., Scharm, B.: Minerály selenu na uranovém ložisku Zadní Chodov. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 43-47.
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Javorník (Jauernig)
Sejkora, J., Plášil, J., Litochleb, J., Škácha, P., Pavlícek, R. (2012): A selenide association with macroscopic umangite from the abandoned uranium deposit Zálesí, Rychlebské hory Mountains (Czech Republic). Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 20, 187-196 (in Czech with English abstract).
    • Vysočina Region
      • Nové Město na Moravě
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Econ Geol (1997) 92:468-484
      • Žďár nad Sázavou
        • Rožná deposit
In the collection of Brent Thorne. Obtained from Paleone.pl.
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Kolwezi District
        • Kolwezi
Can.Min. 46,19-31(2008)
France
 
  • Auvergne
    • Puy-de-Dôme
      • Sauxillanges
        • Chaméane
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Econ Geol (1997) 92:468-484
Germany
 
  • Lower Saxony
    • Harz
      • Bad Sachsa
        • Zorge
Econ Geol (1997) 92:468-484
  • Saxony-Anhalt
    • Harz
Wittern: "Mineralfundorte in Deutschland", 2001
Sweden
 
  • Östergötland
    • Valdemarsvik
Sandström, F. (2007): Skrikerum. Litiofilen 24 (1), 22-38; Jonsson, E., Högdahl, K., Majka, J. & Murashko, M. (2014): Te-Cu-rich sudburyite – the first platinum-group-element mineral from the selenide mineralisation at Skrikerum, Sweden. Neues Jahrbuch für Mineralogie - Abhandlungen. 191, 137-144
Mineral and/or Locality  
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