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Xilingolite Mineral Data
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General Xilingolite Information
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 Chemical Formula: |
Pb3Bi2S6 |
| Composition: |
Molecular Weight = 1,231.96 gm |
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Bismuth 33.93 % Bi |
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Lead 50.46 % Pb |
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Sulfur 15.62 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Pb3Bi2S6 |
| Environment: |
Dimorphous with lillianite. |
| IMA Status: |
Approved IMA 1982 |
| Locality: |
Chaobuleng district, Xilingola League, Inner Mongolia, China. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Xilingolite + Pronunciation  |
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Xilingolite Image |
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Images:
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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 |
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Xilingolite Crystallography
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| Axial Ratios: |
a:b:c =3.3074:1:5.0548 |
| Cell Dimensions: |
a = 13.511, b = 4.085, c = 20.649, Z = 4; beta = 92.15° V = 1,138.87 Den(Calc)= 7.18 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.38(1), 2.177(0.9), 2.073(0.8), |
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Physical Properties of Xilingolite
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| Color: |
Lead gray. |
| Density: |
7.08 |
| Diaphaneity: |
Opaque |
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
| Hardness: |
3 - Calcite |
| Luster: |
Metallic |
| Streak: |
gray |
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Optical Properties of Xilingolite
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| RL Anisotrophism: |
Distinct, dark gray to brown. |
| RL Color: |
White with a faint blue tint. |
| RL Pleochroism: |
Distinct, white to white with blue tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Xilingolite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 405 nm |
43.20 |
46.60 |
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| 436 nm |
44.50 |
46.80 |
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| 480 nm |
44.30 |
46.80 |
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| 526 nm |
44.20 |
44.90 |
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| 546 nm |
41.80 |
44.50 |
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| 578 nm |
41.40 |
44.10 |
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| 589 nm |
40.90 |
43.80 |
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| 622 nm |
40.50 |
43.30 |
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| 644 nm |
40.00 |
43.00 |
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| 656 nm |
39.90 |
43.00 |
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| 664 nm |
39.80 |
43.00 |
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Calculated Relative Intensity Colors of Xilingolite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
220% |
| R1 |
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| R2 |
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Calculated Properties of Xilingolite
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| Electron Density: |
Bulk Density (Electron Density)=5.92 gm/cc
note: Specific Gravity of Xilingolite =7.18 gm/cc.
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| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PEXilingolite =1,602.20 barns/electron
U=PEXilingolite x rElectron Density=9,487.21 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Xilingolite is Not Radioactive |
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Xilingolite Classification
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| Dana Class: |
03.04.16.01 (03)Sulfides - Sulfosalts |
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(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.04.16)Dana Group |
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03.04.16.01 Xilingolite Pb3Bi2S6 C 2/m 2/m |
| Strunz Class: |
02.JB.40a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.J - Sulfosalts of PbS Archetype |
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02.JB -Galena derivatives, with Pb |
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02.JB.40a Fizelyite Pb14Ag5Sb21S48(?) P 21/n 2/m |
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02.JB.40a Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m |
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02.JB.40a Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m |
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02.JB.40a Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m |
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02.JB.40a Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m |
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02.JB.40a Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m |
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02.JB.40a Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m |
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02.JB.40a Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m |
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02.JB.40a Xilingolite Pb3Bi2S6 C 2/m 2/m |
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02.JB.40a Treasurite Ag7Pb6Bi15S32 B2/m 2/m |
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02.JB.40a Vikingite Ag5Pb8Bi13S30 C 2/m 2/m |
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Other Xilingolite Information
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| References: |
NAME( Dana8) PHYS. PROP.(AmMin, Vol 87, p 1513) OPTIC PROP.(AntBidBlaNic1) |
| 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 :
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Xilingolite
Pb3Bi2S6
Dana No: 03.04.16.01 Strunz No: 02.JB.40a
Locality:
Notes:
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