Mineralogy Database

Xilingolite Mineral Data

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General Xilingolite Information

Help on Chemical  Formula: Chemical Formula: Pb3Bi2S6
Help on Composition: Composition: Molecular Weight = 1,231.96 gm
   Bismuth  33.93 %  Bi
   Lead     50.46 %  Pb
   Sulfur   15.62 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Pb3Bi2S6
Help on Environment: Environment: Dimorphous with lillianite.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Chaobuleng district, Xilingola League, Inner Mongolia, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Xilingolite + Pronunciation Say XILINGOLITE
 

Xilingolite Image

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  Xilingolite

Comments: Elongate and striated crystal of xilingolite, roughly 2 mm long, on galena showing an octahedral cleavage, together with quartz. (CanMin, v 39, p 1665).
Location: Found on dumps excavated during tunnel construction between Mittal and Hohtenn in Valais, Switzerland. Scale: Picture Size 4 mm.
© Canadian Mineralogist

Xilingolite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.3074:1:5.0548
Help on Cell Dimensions: Cell Dimensions: a = 13.511, b = 4.085, c = 20.649, Z = 4; beta = 92.15° V = 1,138.87 Den(Calc)= 7.18
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): 3.38(1), 2.177(0.9), 2.073(0.8),
 

Physical Properties of Xilingolite

Help on Color: Color: Lead gray.
Help on Density: Density: 7.08
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: gray
 

Optical Properties of Xilingolite

Help on RL Anisotrophism: RL Anisotrophism: Distinct, dark gray to brown.
Help on RL Color: RL Color: White with a faint blue tint.
Help on RL Pleochroism: RL Pleochroism: Distinct, white to white with blue tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Xilingolite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 405 nm   43.20   46.60 
   
 436 nm   44.50   46.80 
 480 nm   44.30   46.80 
 526 nm   44.20   44.90 
 546 nm   41.80   44.50 
 578 nm   41.40   44.10 
 589 nm   40.90   43.80 
 622 nm   40.50   43.30 
 644 nm   40.00   43.00 
 656 nm   39.90   43.00 
 664 nm   39.80   43.00 
Calculated Relative Intensity Colors of Xilingolite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 220%
R1                    
R2                    
 

Calculated Properties of Xilingolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.92 gm/cc
note: Specific Gravity of Xilingolite =7.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEXilingolite =1,602.20 barns/electron
U=PEXilingolite x rElectron Density=9,487.21 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Xilingolite is Not Radioactive
 

Xilingolite Classification

Help on  Dana Class: Dana Class: 03.04.16.01 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.16)Dana Group
 
03.04.16.01 Xilingolite Pb3Bi2S6 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 Xilingolite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(AmMin, Vol 87, p 1513) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Xilingolite :
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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Print or Cut-and-Paste your Xilingolite Specimen Label here :

Xilingolite

Pb3Bi2S6
Dana No: 03.04.16.01 Strunz No: 02.JB.40a
Locality:

 

Notes:

 

 
   
 


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