IMA2003-039 Mineral Data


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General IMA2003-039 Information

Help on Chemical  Formula: Chemical Formula: Pb2(Pb,Sb)2S8[Te,Au]2
Help on Composition: Composition: Molecular Weight = 1,332.49 gm
   Antimony    4.57 %  Sb
   Tellurium  14.36 %  Te
   Lead       54.42 %  Pb
   Gold        7.39 %  Au
   Sulfur     19.25 %  S
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pb2Pb1.5Sb0.5S8Te1.5Au0.5
Help on Environment: Environment: Nagyágite-buckhornite homologous series
Help on IMA Status: IMA Status: Proposed IMA 2003 (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals and Mineral Names (CNMMN)
 

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IMA2003-039 Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6589:1:3.1517
Help on Cell Dimensions: Cell Dimensions: a = 4.361, b = 6.618, c = 20.858, Z = 2; beta = 92.71° V = 601.31 Den(Calc)= 7.36
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.56(1), 3.47(0.58), 4.8(0.52),2.99(0.5), 2.56(0.41), 3.31(0.4), 4.1(0.4), 6.93(0.38), 2.98(0.3),
 

Physical Properties of IMA2003-039

Help on Color: Color: Dark silver gray.
Help on Diaphaniety: Diaphaniety: Opaque
Help on Luster: Luster: Metallic
 

Optical Properties of IMA2003-039

Help on RL Anisotrophism: RL Anisotrophism: Distinct.
Help on RL Bireflectance: RL Bireflectance: Very low.
Help on RL Color: RL Color: Gray.
Help on RL Pleochroism: RL Pleochroism: Very low.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of IMA2003-039 in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   38.40   40.30 
   
 546 nm   38.10   39.40 
 589 nm   37.50   39.40 
 650 nm   35.90   38.00 
Calculated Relative Intensity Colors of IMA2003-039 in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240%
R1                    
R2                    
 

Calculated Properties of IMA2003-039

Help on Electron Density: Electron Density:

relectron=6.16 gm/cc
note: rIMA2003-039 =7.36 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.13319
Boson Index = 0.86681
Help on Photoelectric: Photoelectric:

PEIMA2003-039 =1,187.44 barns/electron
U=PEIMA2003-039 x relectron=7,319.66 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2003-039 is Not Radioactive

 

IMA2003-039 Classification

Help on  Dana Class: Dana Class: 2.11.14.1 (2)Sulfides - Including Selenides and Tellurides
  (2.11)where Am Bn Xp, with (m+n):p=2:3
  (2.11.14)Dana Group
 
2.11.14.1 IMA2003-039 ! Pb2(Pb,Sb)2S8[Te,Au]2 P 21/m 2/m
Help on  Strunz Class: Strunz Class: II/X.00-00 II - Sulfides and sulphosalts
  II/X - Unclassified Strunz Sulfides and sulphosalts
  II/X.00 - Nagyágite-buckhornite series
 

Other IMA2003-039 Information

Help on See Also: See Also: Links to other databases for IMA2003-039 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - Ruff.Info

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Print or Cut-and-Paste your IMA2003-039 Specimen Label here :

IMA2003-039

Pb2(Pb,Sb)2S8[Te,Au]2
Dana No: 2.11.14.1 Strunz No: II/X.00-00
Locality:

 

Notes:

 

 
   
 
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