Mineralogy Database

Galenobismutite Mineral Data

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General Galenobismutite Information

Help on Chemical  Formula: Chemical Formula: PbBi2S4
Help on Composition: Composition: Molecular Weight = 753.42 gm
   Bismuth  55.47 %  Bi
   Lead     27.50 %  Pb
   Sulfur   17.02 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: PbBi2S4
Help on Environment: Environment: Hydrothermal origin
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1878
Help on Locality: Locality: Ko mine, Nordmark, V´┐Żrmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its chemical composition.
Help on Name Pronunciation: Name Pronunciation: Galenobismutite + Pronunciation Say GALENOBISMUTITE
Help on Synonym: Synonym: Bonchevite - mixture of pekoite and galenobismutite
  Csiklovaite
  ICSD 23905
  PDF 20-571
 

Galenobismutite Image

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  Galenobismutite

Comments: Black metallic massive galenobismutite in translucent quartz.
Location: Vastervik, Smaland, Kalmar, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Galenobismutite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.804:1:0.2815
Help on Cell Dimensions: Cell Dimensions: a = 11.65, b = 14.49, c = 4.08, Z = 4; V = 688.74 Den(Calc)= 7.27
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.45(1), 1.961(0.5), 3.03(0.4),
Help on Forms: Forms:

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Help on Above

Forms: ( 2 1 1) ( 0 1 0) ( 1 1 1) ( 0 1 1) ( 8 1 0) ( 2 0 1) ( 1 0 0) ( 1 1 0)

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Physical Properties of Galenobismutite

Help on Cleavage: Cleavage: {110} Good
Help on Color: Color: Lead gray, Gray, Light gray, Tin white.
Help on Density: Density: 6.9 - 7.1, Average = 7
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Columnar - Forms columns
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: gray black
 

Optical Properties of Galenobismutite

Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Galenobismutite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   48.00   51.10 
   
 420 nm   47.90   51.10 
 440 nm   47.80   51.10 
 460 nm   47.70   51.00 
 480 nm   47.50   50.80 
 500 nm   47.10   50.50 
 520 nm   46.60   49.80 
 540 nm   45.90   48.80 
 560 nm   45.30   48.20 
 580 nm   44.80   47.70 
 600 nm   44.60   47.20 
 620 nm   44.40   46.80 
 640 nm   44.40   46.70 
 660 nm   44.40   46.70 
 680 nm   44.50   46.80 
 700 nm   44.70   47.10 
Calculated Relative Intensity Colors of Galenobismutite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 200%
R1                  
R2                  
 

Calculated Properties of Galenobismutite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.02 gm/cc
note: Specific Gravity of Galenobismutite =7.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEGalenobismutite =1,588.72 barns/electron
U=PEGalenobismutite x rElectron Density=9,565.89 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Galenobismutite is Not Radioactive
 

Galenobismutite Classification

Help on  Dana Class: Dana Class: 03.07.09.01 (03)Sulfides - Sulfosalts
  (03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.07.09)Galenobismutite Group
 
03.07.09.01 Galenobismutite PbBi2S4 Pnam 2/m 2/m 2/m
 
03.07.09.02 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono
 
03.07.09.03 Berthierite FeSb2S4 Pnam 2/m 2/m 2/m
 
03.07.09.04 Garavellite FeSbBiS4 Pnam 2/m 2/m 2/m
 
03.07.09.05 Clerite! MnSb2S4 Pnam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JB.45 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.45 Galenobismutite PbBi2S4 Pnam 2/m 2/m 2/m
 
02.JB.45 Weibullite Pb6Bi8(S,Se)18 P nma 2/m 2/m 2/m
 
02.JB.45 Angelaite! Cu2AgPbBiS4 P 21/n 2/m
 

Other Galenobismutite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Galenobismutite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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Galenobismutite

PbBi2S4
Dana No: 03.07.09.01 Strunz No: 02.JB.45
Locality:

 

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