Mineralogy Database

Owensite Mineral Data

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General Owensite Information

Help on Chemical  Formula: Chemical Formula: (Ba,Pb)6(Cu,Fe,Ni)25S27
Help on Composition: Composition: Molecular Weight = 3,348.26 gm
   Barium  16.41 %  Ba
   Iron    12.51 %  Fe
   Copper  28.47 %  Cu
   Nickel   4.38 %  Ni
   Lead    12.38 %  Pb
   Sulfur  25.86 %  S
          100.00 % 
Help on Empirical Formula: Empirical Formula: Ba4Pb2Cu15Fe2+7.5Ni2.5S27
Help on Environment: Environment: In pyrrhotite which occurs in peridotite and chilled gabbro-pegmatite gabbro.
Help on IMA Status: IMA Status: Approved IMA 1995
Help on Locality: Locality: The Wellgreen Cu-Ni-Pt deposit, Kluane District, Yukon Territory, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For DeAlton R. Owens (1934- ), Canada Centre for Mineral and energy Technology.
Help on Name Pronunciation: Name Pronunciation: Owensite Say OWENSITE
Help on Synonym: Synonym: ICSD 81609
  PDF 49-1862

Owensite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.349, Z = 1; V = 1,108.40 Den(Calc)= 5.02
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.835(1), 2.378(0.9), 2.996(0.9),

Physical Properties of Owensite

Help on Cleavage: Cleavage: None
Help on Color: Color: Black.
Help on Density: Density: 4.78
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: black

Optical Properties of Owensite

Help on RL Anisotrophism: RL Anisotrophism: Not obvious.
Help on RL Bireflectance: RL Bireflectance: Not obvious.
Help on RL Color: RL Color: Pale brownish gray.
Help on RL Pleochroism: RL Pleochroism: Not obvious.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Owensite in Air
λ R  ∑ R(λ) 
 470 nm   22.00   
 546 nm   24.90 
 589 nm   26.20 
 650 nm   27.55 
Calculated Relative Intensity Colors of Owensite in Air
   0%   50% 100% 150% 200% 250% 300% 350% 400%

Calculated Properties of Owensite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.56 gm/cc
note: Specific Gravity of Owensite =5.02 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEOwensite = 302.21 barns/electron
U=PEOwensite x rElectron Density=1,377.42 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Owensite is Not Radioactive

Owensite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.15.02)Djerfisherite Group Djerfisherite K6Na(Fe,Cu,Ni)25S26Cl P m3m 4/m 3 2/m Thalfenisite Tl6(Fe,Ni,Cu)25S26Cl P m3m 4/m 3 2/m Owensite (Ba,Pb)6(Cu,Fe,Ni)25S27 P m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 02.FC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O
  02.FC -With Cl, Br, I (halide-sulfides)
02.FC.05 Djerfisherite K6Na(Fe,Cu,Ni)25S26Cl P m3m 4/m 3 2/m
02.FC.05 Owensite (Ba,Pb)6(Cu,Fe,Ni)25S27 P m3m 4/m 3 2/m
02.FC.05 Thalfenisite Tl6(Fe,Ni,Cu)25S26Cl P m3m 4/m 3 2/m

Other Owensite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,1996) OPTIC PROP.(MinRec, v 27, p 119)
Help on See Also: See Also: Links to other databases for Owensite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 02.FC.05





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