Mineralogy Database

Athabascaite Mineral Data

Search Webmineral :

General Athabascaite Information

Help on Chemical  Formula: Chemical Formula: Cu5Se4
Help on Composition: Composition: Molecular Weight = 633.57 gm
   Copper    50.15 %  Cu
   Selenium  49.85 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu5Se4
Help on Environment: Environment: As inclusions and replacements of unamgite.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Martin Lake mine, Uranium City, Lake Athabasca, SK, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Athabascaite + Pronunciation Say ATHABASCAITE
Help on Synonym: Synonym: IMA1969-022

Athabascaite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Athabascaite   Umangite   Berzelianite

Comments: Reflected light photomicrograph of umangite (pinkish), berzelianite (gray), athabascaite (small white areas in berzelianite), calcite (olive).
Location: Sierra de Umango, La Rioja, Argentin. Scale: Not Given.
© Jeff Weissman / Photographic Guide to Mineral Species

Athabascaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6866:1:0.5375
Help on Cell Dimensions: Cell Dimensions: a = 8.227, b = 11.982, c = 6.441, Z = 4; V = 634.93 Den(Calc)= 6.63
Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.235(1), 1.997(0.8), 3.015(0.6),

Physical Properties of Athabascaite

Help on Color: Color: Blue gray, Gray white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Metallic

Optical Properties of Athabascaite

Help on RL Anisotrophism: RL Anisotrophism: Strong, creamy white to dark blue.
Help on RL Pleochroism: RL Pleochroism: Distinct, light gray to blue-gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Athabascaite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   21.20   25.10 
 420 nm   19.90   25.20 
 440 nm   19.60   25.30 
 460 nm   19.30   25.40 
 480 nm   19.00   25.50 
 500 nm   18.60   25.60 
 520 nm   18.30   25.60 
 540 nm   17.80   25.50 
 560 nm   17.40   25.40 
 580 nm   16.90   25.10 
 600 nm   16.30   25.00 
 620 nm   15.50   24.50 
 640 nm   15.00   24.20 
 660 nm   14.20   23.70 
 680 nm   13.40   23.10 
 700 nm   12.50   22.40 
Calculated Relative Intensity Colors of Athabascaite in Air
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 560%

Calculated Properties of Athabascaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.88 gm/cc
note: Specific Gravity of Athabascaite =6.63 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEAthabascaite = 63.18 barns/electron
U=PEAthabascaite x rElectron Density= 371.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Athabascaite is Not Radioactive

Athabascaite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.17)Dana Group Athabascaite Cu5Se4 Unk Ortho
Help on  Strunz Class: Strunz Class: 02.BA.15d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BA -With Cu, Ag, Au
02.BA.15d Athabascaite Cu5Se4 Unk Ortho

Other Athabascaite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Athabascaite :
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

Search for Athabascaite using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Athabascaite :

Ask about Athabascaite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Athabascaite Specimen Label here :


Dana No: Strunz No: 02.BA.15d





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.