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Rustenburgite Mineral Data
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General Rustenburgite Information
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 Chemical Formula: |
(Pt,Pd)3Sn |
| Composition: |
Molecular Weight = 637.46 gm |
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Tin 18.62 % Sn |
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Palladium 12.52 % Pd |
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Platinum 68.86 % Pt |
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______ |
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100.00 % |
| Empirical Formula: |
Pt2.25Pd0.75Sn |
| Environment: |
As very sparse grains in concentrates. |
| IMA Status: |
Approved IMA 1975 |
| Locality: |
Atok and Rustenburg mines, Merensky Reef, Pretoria, Transvaal, South Africa. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Rustenburgite + Pronunciation  |
| Synonym: |
ICSD 40336 |
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PDF 29-968 |
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Rustenburgite Image |
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Images:
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Tatyanaite Rustenburgite
Comments: Back-scattered electron images showing inclusions of rustenburgite intergrown with taimyrite-tatyanaite aggregates. (AmMin, v 42, p 608).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia.
Scale: See Image.
© American Mineralogist |
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Rustenburgite Crystallography
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| Cell Dimensions: |
a = 3.991, Z = 1; V = 63.57 Den(Calc)= 16.65 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 1.202(1), 2.295(1), 1.408(0.9), |
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Physical Properties of Rustenburgite
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| Color: |
Tin white. |
| Diaphaneity: |
Opaque |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
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Optical Properties of Rustenburgite
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| RL Anisotrophism: |
Slight due to strain. |
| RL Color: |
Light cream. |
| RL Pleochroism: |
None under the microscope but slight through a photometer. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Rustenburgite in Air
| λ |
R |
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∑ R(λ) |
| 480 nm |
56.20 |
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| 546 nm |
59.80 |
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| 589 nm |
60.40 |
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| 656 nm |
61.65 |
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Calculated Relative Intensity Colors of Rustenburgite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
| R |
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Calculated Properties of Rustenburgite
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| Electron Density: |
Bulk Density (Electron Density)=13.6 gm/cc
note: Specific Gravity of Rustenburgite =16.7 gm/cc.
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| Fermion Index: |
Fermion Index = 0.29
Boson Index = 0.71 |
| Photoelectric: |
PERustenburgite =1,188.37 barns/electron
U=PERustenburgite x rElectron Density=16140.57 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rustenburgite is Not Radioactive |
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Rustenburgite Classification
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| Dana Class: |
01.02.05.02 (01)Native Elements |
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(01.02)with platinum group metals and alloys |
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(01.02.05)Isoferroplatinum group (Space Group Pm3m) |
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01.02.05.01 Isoferroplatinum (Pt,Pd)3(Fe,Cu) P m3m 4/m 3 2/m |
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01.02.05.02 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m |
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01.02.05.03 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m |
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01.02.05.04 Zvyagintsevite Pd3Pb P m3m 4/m 3 2/m |
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01.02.05.05 Chengdeite Ir3Fe P m3m 4/m 3 2/m |
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01.02.05.06 Yixunite! Pt3In P m3m 4/m 3 2/m |
| Strunz Class: |
01.AG.10 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.A - Metals and Intermetallic Alloys |
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01.AG -PGE-metal alloys |
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01.AG.10 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m |
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01.AG.10 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m |
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01.AG.10 Zvyagintsevite Pd3Pb P m3m 4/m 3 2/m |
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Other Rustenburgite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Rustenburgite :
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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Rustenburgite
(Pt,Pd)3Sn
Dana No: 01.02.05.02 Strunz No: 01.AG.10
Locality:
Notes:
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