Mineralogy Database

Atokite Mineral Data

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General Atokite Information

Help on Chemical  Formula: Chemical Formula: (Pd,Pt)3Sn
Help on Composition: Composition: Molecular Weight = 504.47 gm
   Tin        23.53 %  Sn
   Palladium  47.47 %  Pd
   Platinum   29.00 %  Pt
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd2.25Pt0.75Sn
Help on Environment: Environment: As very sparse grains in concentrates of ore.
Help on IMA Status: IMA Status: Approved IMA 1975
Help on Locality: Locality: In the Rustenburg and Atok platinum mines, on the Merensky Reef, Bushveld Complex, about 48 km southeast of Pietersburg, Transvaal, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the Atok mine, South Africa.
Help on Name Pronunciation: Name Pronunciation: Atokite Say ATOKITE
Help on Synonym: Synonym: ICSD 40335
  PDF 29-967
 

Atokite Image

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  Taimyrite   Atokite

Comments: Photomicrograph (oil immersion) of atokite and taimyrite intergrowth inside tetraauricupride reaction rim on Pt-Fe alloy. Outlined section shows atokite relics within taimyrite. (CanMin, v 42, p 610).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia,. Scale: See Image.
© Canadian Mineralogist

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  Atokite   Sobolevskite

Comments: Back-scattered electron image showing a) intergrowth of atokite, mertieite-II [Pd8Sb3] and telluroan sobolevskite [(Pd,Pt)(Bi,Te)] within tetra-auricupride rim. (CanMin, v 42, p 611).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia. Scale: See Image.
© Canadian Mineralogist

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  Palarstanide   Atokite

Comments: Polished Section (PPL) showing light gray euhedral palarstanide (P) surrounded by white atokite (A) in light brownish cubanite (C).
Location: Talnakh, Ural, Russia. Scale: Picture Size 0.14 mm.
© Thomas Witzke

Atokite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 3.991, Z = 1; V = 63.57 Den(Calc)= 13.18
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 Atokite

Help on Color: Color: White.
Help on Density: Density: 14.9
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Atokite

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 to slight.
 

Calculated Properties of Atokite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=11.1 gm/cc
note: Specific Gravity of Atokite =13.2 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.24
Boson Index = 0.76
Help on Photoelectric: Photoelectric: PEAtokite = 642.22 barns/electron
U=PEAtokite x rElectron Density=7,114.33 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Atokite is Not Radioactive
 

Atokite Classification

Help on  Dana Class: Dana Class: 01.02.05.03 (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.05)Isoferroplatinum group (Space Group Pm3m)
 
01.02.05.01 Isoferroplatinum (Pt,Pd)3(Fe,Cu) P m3m 4/m 3 2/m
 
01.02.05.02 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m
 
01.02.05.03 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m
 
01.02.05.04 Zvyagintsevite Pd3Pb P m3m 4/m 3 2/m
 
01.02.05.05 Chengdeite Ir3Fe P m3m 4/m 3 2/m
 
01.02.05.06 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 Atokite 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 Atokite :
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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Print or Cut-and-Paste your Atokite Specimen Label here :

Atokite

(Pd,Pt)3Sn
Dana No: 01.02.05.03 Strunz No: 01.AG.10
Locality:

 

Notes:

 

 
   
 


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