Mineralogy Database

Heyrovskyite Mineral Data

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General Heyrovskyite Information

Help on Chemical  Formula: Chemical Formula: Pb10AgBi5S18
Help on Composition: Composition: Molecular Weight = 3,801.96 gm
   Silver    2.84 %  Ag
   Bismuth  27.48 %  Bi
   Lead     54.50 %  Pb
   Sulfur   15.18 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Pb10AgBi5S18
Help on Environment: Environment: In high temperature quartz veins and fumaroles.
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: Hurky, Stredocesky kraj, Cechy (Bohemia), Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Czech chemist, J. Heyrovsky (1890-1967).
Help on Name Pronunciation: Name Pronunciation: Heyrovskyite + Pronunciation Say HEYROVSKYITE
Help on Synonym: Synonym: ICSD 69962
  PDF 46-1370
 

Heyrovskyite Image

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  Heyrovskyite

Comments: Metallic, gray heyrovskyite in quartz.
Location: Hûrky u Cistá, Velká Chmelistná (Großmeleschen), Rakovnik, Stredoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Heyrovskyite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3022:1:2.2415
Help on Cell Dimensions: Cell Dimensions: a = 4.11, b = 13.6, c = 30.485, Z = 2; V = 1,703.99 Den(Calc)= 7.41
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mcm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.41(1), 2.09(0.4), 2.85(0.3),2.94(0.3), 3.35(0.3), 3.54(0.3), 2.18(0.2), 3.75(0.2),
 

Physical Properties of Heyrovskyite

Help on Cleavage: Cleavage: None
Help on Color: Color: Tin white.
Help on Density: Density: 7.11 - 7.18, Average = 7.14
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black
 

Optical Properties of Heyrovskyite

Help on RL Anisotrophism: RL Anisotrophism: Moderate, gray to red brown.
Help on RL Color: RL Color: Creamy white.
Help on RL Pleochroism: RL Pleochroism: Not apparent.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Heyrovskyite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   50.60   46.30 
   
 420 nm   49.90   45.60 
 440 nm   49.70   44.90 
 460 nm   49.40   44.40 
 480 nm   49.20   43.90 
 500 nm   48.30   42.90 
 520 nm   47.60   42.30 
 540 nm   46.90   41.40 
 546 nm   46.60   41.30 
 560 nm   46.40   40.90 
 580 nm   46.20   40.60 
 589 nm   46.00   40.70 
 600 nm   45.90   40.50 
 620 nm   45.70   40.20 
 640 nm   45.60   39.90 
 650 nm   45.60   39.90 
 660 nm   45.50   39.90 
 680 nm   45.30   39.70 
 700 nm   45.20   39.60 
Calculated Relative Intensity Colors of Heyrovskyite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 220%
R1                    
R2                    
 

Calculated Properties of Heyrovskyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.12 gm/cc
note: Specific Gravity of Heyrovskyite =7.41 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.12
Boson Index = 0.88
Help on Photoelectric: Photoelectric: PEHeyrovskyite =1,557.27 barns/electron
U=PEHeyrovskyite x rElectron Density=9,530.27 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Heyrovskyite is Not Radioactive
 

Heyrovskyite Classification

Help on  Dana Class: Dana Class: 03.03.03.01 (03)Sulfides - Sulfosalts
  (03.03)where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.03.03)Dana Group
 
03.03.03.01 Heyrovskyite Pb10AgBi5S18 C mcm 2/m 2/m 2/m
 
03.03.03.02 Mozgovaite! PbBi4(S,Se)7 Bbmm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JB.40b 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.40b Aschamalmite Pb6Bi2S9 C 2/m 2/m
 
02.JB.40b Eskimoite Ag7Pb10Bi15S36 Am m
 
02.JB.40b Heyrovskyite Pb10AgBi5S18 C mcm 2/m 2/m 2/m
 

Other Heyrovskyite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Dana8) OPTIC PROP.(CanMin, v 41, p 431)
Help on See Also: See Also: Links to other databases for Heyrovskyite :
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
15 - WWW-MINCRYST

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Heyrovskyite

Pb10AgBi5S18
Dana No: 03.03.03.01 Strunz No: 02.JB.40b
Locality:

 

Notes:

 

 
   
 


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