Mineralogy Database

Vikingite Mineral Data

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General Vikingite Information

Help on Chemical  Formula: Chemical Formula: Ag5Pb8Bi13S30
Help on Composition: Composition: Molecular Weight = 5,875.67 gm
   Silver    9.18 %  Ag
   Bismuth  46.24 %  Bi
   Lead     28.21 %  Pb
   Sulfur   16.37 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Ag5Pb8Bi13S30
Help on Environment: Environment: Associated with cosalite and as lamellae in galena in the gustavite-galena paragenesis.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Ivigtut, Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Vikings, who settled Greenland in the tenth century.
Help on Name Pronunciation: Name Pronunciation: Vikingite + Pronunciation Say VIKINGITE
Help on Synonym: Synonym: ICSD 72805
  PDF 43-690
 

Vikingite Image

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  Vikingite

Comments: Gray to bronze tarnished platy vikingite masses in quartz.
Location: Roche Balue, Vendee, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Vikingite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5387:1:0.1628
Help on Cell Dimensions: Cell Dimensions: a = 13.603, b = 25.248, c = 4.112, Z = 1; beta = 95.55° V = 1,405.64 Den(Calc)= 6.94
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.4(1), 1.75(0.9), 2.06(0.8),
 

Physical Properties of Vikingite

Help on Color: Color: Gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Lamellar - Thin laminae producing a lamellar structure.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
 

Optical Properties of Vikingite

Help on RL Anisotrophism: RL Anisotrophism: Distinct to strong, in light gray to steel bluish black.
Help on RL Color: RL Color: Galena-white.
Help on RL Pleochroism: RL Pleochroism: Absent in air, absent to weak in oil.
 

Calculated Properties of Vikingite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.79 gm/cc
note: Specific Gravity of Vikingite =6.94 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEVikingite =1,437.66 barns/electron
U=PEVikingite x rElectron Density=8,320.60 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vikingite is Not Radioactive
 

Vikingite Classification

Help on  Dana Class: Dana Class: 03.06.11.01 (03)Sulfides - Sulfosalts
  (03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.11)Dana Group
 
03.06.11.01 Vikingite Ag5Pb8Bi13S30 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JB.40a 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.40a Fizelyite Pb14Ag5Sb21S48(?) P 21/n 2/m
 
02.JB.40a Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m
 
02.JB.40a Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m
 
02.JB.40a Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m
 
02.JB.40a Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m
 
02.JB.40a Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m
 
02.JB.40a Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m
 
02.JB.40a Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m
 
02.JB.40a Xilingolite Pb3Bi2S6 C 2/m 2/m
 
02.JB.40a Treasurite Ag7Pb6Bi15S32 B2/m 2/m
 
02.JB.40a Vikingite Ag5Pb8Bi13S30 C 2/m 2/m
 

Other Vikingite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Vikingite :
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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Vikingite

Ag5Pb8Bi13S30
Dana No: 03.06.11.01 Strunz No: 02.JB.40a
Locality:

 

Notes:

 

 
   
 


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