Vikingite Mineral Data + 
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- 3.6.11.1 Vikingite Ag5Pb8Bi13S30 C 2/m 2/m
- II/E.31-10 Xilingolite Pb3Bi2S6 C 2/m 2/m
- II/E.31-20 Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m
- II/E.31-30 Bursaite Pb5Bi4S11 Bbmm 2/m 2/m 2/m
- II/E.31-40 Ourayite Pb4Ag3Bi5S13 Bbmm 2/m 2/m 2/m
- II/E.31-50 Eskimoite Ag7Pb10Bi15S36 Am m
- II/E.31-60 Vikingite Ag5Pb8Bi13S30 C 2/m 2/m
- II/E.31-70 Schirmerite Ag3Pb3Bi9S18toAg3Pb6Bi7S18 Bbmm 2/m 2/m 2/m
- II/E.31-80 Treasurite Ag7Pb6Bi15S32 B2/m 2/m
- II/E.31-90 Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m
General Vikingite Information |
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 Chemical Formula: |
Ag5Pb8Bi13S30 | ||
| 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 % | |||
| Empirical Formula: |
Ag5Pb8Bi13S30 | ||
| Environment: |
Associated with cosalite and as lamellae in galena in the gustavite-galena paragenesis. | ||
| IMA Status: |
Approved IMA 1977 | ||
| Locality: |
Ivigtut, Greenland. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the Vikings, who settled Greenland in the tenth century. | ||
| Synonym: |
ICSD 72805 | ||
| PDF 43-690 | |||
Vikingite Image | |||
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Images:
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Vikingite Crystallography |
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| Axial Ratios: |
a:b:c =0.5387:1:0.1628 | ||
| Cell Dimensions: |
a = 13.603, b = 25.248, c = 4.112, Z = 1; beta = 95.55° V = 1,405.64 Den(Calc)= 6.94 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.4(1), 1.75(0.9), 2.06(0.8), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Vikingite |
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| Color: |
Gray. | ||
| Diaphaniety: |
Opaque | ||
| Habit: |
Lamellar - Thin laminae producing a lamellar structure. | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Habit: |
Twinning Common - Crystals are usually twinned. | ||
| Hardness: |
3.5 - Copper Penny | ||
| Luster: |
Metallic | ||
Optical Properties of Vikingite |
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| RL Anisotrophism: |
Distinct to strong, in light gray to steel bluish black. | ||
| RL Color: |
Galena-white. | ||
| RL Pleochroism: |
Absent in air, absent to weak in oil. | ||
Calculated Properties of Vikingite |
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| Electron Density: |
relectron=5.79 gm/cc |
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| Fermion Index |
Fermion Index = 0.06357 Boson Index = 0.93643 |
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| Photoelectric: |
PEVikingite =1,437.66 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Vikingite is Not Radioactive |
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Vikingite Classification |
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| Dana Class: |
3.6.11.1 (3)Sulfides - Sulfosalts | ||
| (3.6)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.6.11)Dana Group | |||
| Strunz Class: |
II/E.31-60 II - Sulfides and sulphosalts | ||
| II/E - Sulfosalts (S : As,Sb,Bi = x) Lead-Sulfosalts (Pb-Cu/Ag) with predominant Vismut x = 6.0 - 1.6 | |||
| II/E.31 - Xilingolite - Gustavite series | |||
Other Vikingite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Vikingite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Vikingite using: Visit our Advertisers for Vikingite : Translate Vikingite Mineral Data : Ask about Vikingite here : Print or Cut-and-Paste your Vikingite Specimen Label here :
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