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Oosterboschite Mineral Data
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General Oosterboschite Information
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 Chemical Formula: |
(Pd,Cu)7Se3 |
| Composition: |
Molecular Weight = 960.38 gm |
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Copper 3.31 % Cu |
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Palladium 72.03 % Pd |
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Selenium 24.67 % Se |
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______ |
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100.00 % |
| Empirical Formula: |
Pd6.5Cu0.5Se3 |
| Environment: |
In the oxidation zone of a Cu-Co mine. |
| IMA Status: |
Approved IMA 1970 |
| Locality: |
Musonoi mine, Shaba, Zaire. Link to MinDat.org Location Data. |
| Name Origin: |
Named for M. R. Oosterbosch, (1908-), Belgian mining engineer. |
| Name Pronunciation: |
Oosterboschite + Pronunciation  |
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Oosterboschite Image |
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Images:
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Oosterboschite
Comments: Polished section showing oosterboschite (metallic yellow) and its alteration product (light brown) as intergranular veinlets surrounding mineralized malachite and quartz (dark grey), and several grains of goethite (light grey).
Location: Copper Hills in the East Pilbara region of Western Australia. (CanMin, v 40:419).
Scale: Picture Size 0.56 mm.
© Canadian Mineralogist |
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Oosterboschite Crystallography
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| Axial Ratios: |
a:b:c =0.983:1:1.3613 |
| Cell Dimensions: |
a = 10.42, b = 10.6, c = 14.43, Z = 8; V = 1,593.82 Den(Calc)= 8.00 |
| Crystal System: |
Orthorhombic Space Group: Unk |
| X Ray Diffraction: |
By Intensity(I/Io): 2.647(1), 1.847(0.8), 2.6(0.8), |
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Physical Properties of Oosterboschite
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| Color: |
Black. |
| Density: |
8.48 |
| Diaphaneity: |
Opaque |
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Oosterboschite
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| RL Anisotrophism: |
Medium strong, in bluish gray to brownish gray. |
| RL Color: |
White-yellow with a cream tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Oosterboschite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
38.40 |
45.10 |
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| 420 nm |
39.90 |
46.50 |
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| 440 nm |
41.40 |
47.90 |
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| 460 nm |
42.80 |
49.20 |
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| 480 nm |
43.90 |
50.30 |
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| 500 nm |
44.90 |
51.20 |
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| 520 nm |
45.60 |
51.70 |
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| 540 nm |
46.00 |
51.80 |
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| 560 nm |
46.00 |
51.60 |
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| 580 nm |
46.10 |
51.30 |
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| 600 nm |
46.30 |
51.20 |
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| 620 nm |
46.70 |
51.40 |
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| 640 nm |
47.20 |
51.60 |
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| 660 nm |
47.70 |
51.80 |
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| 680 nm |
48.20 |
52.00 |
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| 700 nm |
48.60 |
52.20 |
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Calculated Relative Intensity Colors of Oosterboschite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
| R1 |
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| R2 |
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Calculated Properties of Oosterboschite
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| Electron Density: |
Bulk Density (Electron Density)=6.92 gm/cc
note: Specific Gravity of Oosterboschite =8.00 gm/cc.
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| Fermion Index: |
Fermion Index = 0.17
Boson Index = 0.83 |
| Photoelectric: |
PEOosterboschite = 195.78 barns/electron
U=PEOosterboschite x rElectron Density=1,355.27 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Oosterboschite is Not Radioactive |
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Oosterboschite Classification
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| Dana Class: |
02.16.15.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.15)Dana Group |
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02.16.15.01 Rickardite Cu7Te5 Unk Ortho |
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02.16.15.02 Oosterboschite (Pd,Cu)7Se3 Unk Ortho |
| Strunz Class: |
02.BC.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BC -With Rh, Pd, Pt, etc. |
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02.BC.10 Oosterboschite (Pd,Cu)7Se3 Unk Ortho |
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Other Oosterboschite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Oosterboschite :
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
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Oosterboschite
(Pd,Cu)7Se3
Dana No: 02.16.15.02 Strunz No: 02.BC.10
Locality:
Notes:
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