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Owensite Mineral Data
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General Owensite Information
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 Chemical Formula: |
(Ba,Pb)6(Cu,Fe,Ni)25S27 |
| Composition: |
Molecular Weight = 3,348.26 gm |
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Barium 16.41 % Ba |
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Iron 12.51 % Fe |
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Copper 28.47 % Cu |
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Nickel 4.38 % Ni |
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Lead 12.38 % Pb |
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Sulfur 25.86 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Ba4Pb2Cu15Fe2+7.5Ni2.5S27 |
| Environment: |
In pyrrhotite which occurs in peridotite and chilled gabbro-pegmatite gabbro. |
| IMA Status: |
Approved IMA 1995 |
| Locality: |
The Wellgreen Cu-Ni-Pt deposit, Kluane District, Yukon Territory, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
For DeAlton R. Owens (1934- ), Canada Centre for Mineral and energy Technology. |
| Name Pronunciation: |
Owensite  |
| Synonym: |
ICSD 81609 |
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IMA1993-061 |
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PDF 49-1862 |
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Owensite Crystallography
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| Cell Dimensions: |
a = 10.349, Z = 1; V = 1,108.40 Den(Calc)= 5.02 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 1.835(1), 2.378(0.9), 2.996(0.9), |
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Physical Properties of Owensite
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| Cleavage: |
None |
| Color: |
Black. |
| Density: |
4.78 |
| Diaphaneity: |
Opaque |
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Owensite
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| RL Anisotrophism: |
Not obvious. |
| RL Bireflectance: |
Not obvious. |
| RL Color: |
Pale brownish gray. |
| RL Pleochroism: |
Not obvious. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Owensite in Air
| λ |
R |
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∑ R(λ) |
| 470 nm |
22.00 |
 |
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| 546 nm |
24.90 |
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| 589 nm |
26.20 |
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| 650 nm |
27.55 |
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Calculated Relative Intensity Colors of Owensite in Air
Relative
Intensity |
0% |
50% |
100% |
150% |
200% |
250% |
300% |
350% |
400% |
| R |
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Calculated Properties of Owensite
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| Electron Density: |
Bulk Density (Electron Density)=4.56 gm/cc
note: Specific Gravity of Owensite =5.02 gm/cc.
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| Fermion Index: |
Fermion Index = 0.06
Boson Index = 0.94 |
| Photoelectric: |
PEOwensite = 302.21 barns/electron
U=PEOwensite x rElectron Density=1,377.42 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Owensite is Not Radioactive |
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Owensite Classification
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| Dana Class: |
02.15.02.03 (02)Sulfides - Including Selenides and Tellurides |
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(02.15)(Chlorides) |
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(02.15.02)Djerfisherite Group |
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02.15.02.01 Djerfisherite K6Na(Fe,Cu,Ni)25S26Cl P m3m 4/m 3 2/m |
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02.15.02.02 Thalfenisite Tl6(Fe,Ni,Cu)25S26Cl P m3m 4/m 3 2/m |
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02.15.02.03 Owensite (Ba,Pb)6(Cu,Fe,Ni)25S27 P m3m 4/m 3 2/m |
| Strunz Class: |
02.FC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O |
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02.FC -With Cl, Br, I (halide-sulfides) |
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02.FC.05 Djerfisherite K6Na(Fe,Cu,Ni)25S26Cl P m3m 4/m 3 2/m |
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02.FC.05 Owensite (Ba,Pb)6(Cu,Fe,Ni)25S27 P m3m 4/m 3 2/m |
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02.FC.05 Thalfenisite Tl6(Fe,Ni,Cu)25S26Cl P m3m 4/m 3 2/m |
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Other Owensite Information
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| References: |
NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,1996) OPTIC PROP.(MinRec, v 27, p 119) |
| 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
14 - WWW-MINCRYST
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Print or Cut-and-Paste your Owensite Specimen Label here :
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Owensite
(Ba,Pb)6(Cu,Fe,Ni)25S27
Dana No: 02.15.02.03 Strunz No: 02.FC.05
Locality:
Notes:
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