Soucekite Mineral Data + Say SOUCEKITE


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General Soucekite Information

Help on Chemical  Formula: Chemical Formula: PbCuBi(S,Se)3
Help on Composition: Composition: Molecular Weight = 632.20 gm
   Copper    10.05 %  Cu
   Bismuth   33.06 %  Bi
   Lead      32.77 %  Pb
   Selenium  14.99 %  Se
   Sulfur     9.13 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: PbCuBiS1.8Se1.2
Help on Environment: Environment: In hydrothermal quartz-carbonate veins.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: From Oldrichov, near Tachov, Czechoslovakia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Frantisek Soucek, Department of Mineralogy, Charles University, Prague, Czechoslovakia.
 

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Soucekite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9594:1:0.9508
Help on Cell Dimensions: Cell Dimensions: a = 8.153, b = 8.498, c = 8.08, Z = 4; V = 559.82 Den(Calc)= 7.50
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pn21m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.717(1), 2.757(1), 4.04(0.8),
 

Physical Properties of Soucekite

Help on Color: Color: Lead gray.
Help on Density: Density: 7.6
Help on Diaphaniety: Diaphaniety: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Metallic
 

Optical Properties of Soucekite

Help on RL Anisotrophism: RL Anisotrophism: Medium strong, in light brown to dark blue-gray.
Help on RL Color: RL Color: Creamy white with a brownish tint.
Help on RL Pleochroism: RL Pleochroism: Distinct in oil, in creamy brown to light gray with a bluish tint.
 

Calculated Properties of Soucekite

Help on Electron Density: Electron Density:

relectron=6.25 gm/cc
note: rSoucekite =7.50 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.0845
Boson Index = 0.9155
Help on Photoelectric: Photoelectric:

PESoucekite =1,259.48 barns/electron
U=PESoucekite x relectron=7,877.23 barns/cc.

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

Soucekite is Not Radioactive

 

Soucekite Classification

Help on  Dana Class: Dana Class: 3.4.3.3 (3)Sulfides - Sulfosalts
  (3.4)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (3.4.3)Dana Group
 
3.4.3.1 Seligmannite PbCuAsS3 Pmmn 2/m 2/m 2/m
 
3.4.3.2 Bournonite PbCuSbS3 Pn21m 2/m 2/m 2/m
 
3.4.3.3 Soucekite PbCuBi(S,Se)3 Pn21m mm2
Help on  Strunz Class: Strunz Class: II/E.30-15 II - Sulfides and sulphosalts
  II/E - Sulfosalts (S : As,Sb,Bi = x) Lead-Sulfosalts (Pb-Cu/Ag) with predominant Vismut x = 6.0 - 1.6
  II/E.30 - Aikinite - Pekoite series
 
II/E.30-10 Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m
 
II/E.30-15 Soucekite PbCuBi(S,Se)3 Pn21m mm2
 
II/E.30-20 Friedrichite Pb5Cu5Bi7S18 Pb21m mm2
 
II/E.30-25 Emilite! Cu10.7Pb10.7Bi21.3S48 P mc21 mm2
 
II/E.30-30 Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m
 
II/E.30-40 Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m
 
II/E.30-50 Krupkaite PbCuBi3S6 P mc21 mm2
 
II/E.30-54 Paarite! Cu1.7Pb1.7Bi6.3S12 Pmcn 2/m 2/m 2/m
 
II/E.30-60 Gladite PbCuBi5S9 P nma 2/m 2/m 2/m
 
II/E.30-70 Pekoite PbCuBi11(S,Se)18 P 21am mm2
 

Other Soucekite 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 Soucekite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Soucekite

PbCuBi(S,Se)3
Dana No: 3.4.3.3 Strunz No: II/E.30-15
Locality:

 

Notes:

 

 
   
 
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