Mineralogy Database

Rustenburgite Mineral Data

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General Rustenburgite Information

Help on Chemical  Formula: Chemical Formula: (Pt,Pd)3Sn
Help on Composition: Composition: Molecular Weight = 637.46 gm
   Tin        18.62 %  Sn
   Palladium  12.52 %  Pd
   Platinum   68.86 %  Pt
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pt2.25Pd0.75Sn
Help on Environment: Environment: As very sparse grains in concentrates.
Help on IMA Status: IMA Status: Approved IMA 1975
Help on Locality: Locality: Atok and Rustenburg mines, Merensky Reef, Pretoria, Transvaal, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Rustenburgite + Pronunciation Say RUSTENBURGITE
Help on Synonym: Synonym: ICSD 40336
  PDF 29-968

Rustenburgite Image

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

  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

Rustenburgite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 3.991, Z = 1; V = 63.57 Den(Calc)= 16.65
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.202(1), 2.295(1), 1.408(0.9),

Physical Properties of Rustenburgite

Help on Color: Color: Tin white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic

Optical Properties of Rustenburgite

Help on RL Anisotrophism: RL Anisotrophism: Slight due to strain.
Help on RL Color: RL Color: Light cream.
Help on RL Pleochroism: RL Pleochroism: None under the microscope but slight through a photometer.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Rustenburgite in Air
λ R  ∑ R(λ) 
 480 nm   56.20   
 546 nm   59.80 
 589 nm   60.40 
 656 nm   61.65 
Calculated Relative Intensity Colors of Rustenburgite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 160%

Calculated Properties of Rustenburgite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=13.6 gm/cc
note: Specific Gravity of Rustenburgite =16.7 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.29
Boson Index = 0.71
Help on Photoelectric: Photoelectric: PERustenburgite =1,188.37 barns/electron
U=PERustenburgite x rElectron Density=16140.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rustenburgite is Not Radioactive

Rustenburgite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.05)Isoferroplatinum group (Space Group Pm3m) Isoferroplatinum (Pt,Pd)3(Fe,Cu) P m3m 4/m 3 2/m Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m Zvyagintsevite Pd3Pb P m3m 4/m 3 2/m Chengdeite Ir3Fe P m3m 4/m 3 2/m Yixunite! Pt3In P m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 01.AG.10 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AG -PGE-metal alloys
01.AG.10 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m
01.AG.10 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m
01.AG.10 Zvyagintsevite Pd3Pb P m3m 4/m 3 2/m

Other Rustenburgite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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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Dana No: Strunz No: 01.AG.10





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