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Gustavite Mineral Data
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General Gustavite Information
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 Chemical Formula: |
PbAgBi3S6 (?) |
| Composition: |
Molecular Weight = 1,134.41 gm |
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Silver 9.51 % Ag |
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Bismuth 55.27 % Bi |
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Lead 18.27 % Pb |
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Sulfur 16.96 % S |
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______ |
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100.00 % |
| Empirical Formula: |
PbAgBi3S6 |
| Environment: |
A rare mineral of hydrothermal origin, also found in pegmatites. |
| IMA Status: |
Approved IMA 1970 |
| Locality: |
Ivigtut, Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Gustav Hageman (1842-1916), Danish chemical engineer. |
| Name Pronunciation: |
Gustavite + Pronunciation  |
| Synonym: |
ICSD 300265 |
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PDF 46-1367 |
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Gustavite Image |
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Images:
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Gustavite Crystallography
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| Axial Ratios: |
a:b:c =0.6946:1:0.211 |
| Cell Dimensions: |
a = 13.51, b = 19.449, c = 4.105, Z = 4; V = 1,078.61 Den(Calc)= 6.99 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Bbmm |
| X Ray Diffraction: |
By Intensity(I/Io): 2.895(1), 2.996(1), 3.363(1), |
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Physical Properties of Gustavite
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| Cleavage: |
{???} Distinct, {???} Distinct |
| Color: |
Steel gray. |
| Density: |
7.01 |
| Diaphaneity: |
Opaque |
| Habit: |
Tabular - Form dimensions are thin in one direction. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
| Streak: |
gray |
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Optical Properties of Gustavite
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| RL Anisotrophism: |
Weak in air, distinct in oil, bluish black to grayish white. |
| RL Color: |
White to grayish white. |
| RL Pleochroism: |
White to gray. |
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Calculated Properties of Gustavite
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| Electron Density: |
Bulk Density (Electron Density)=5.84 gm/cc
note: Specific Gravity of Gustavite =6.99 gm/cc.
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| Fermion Index: |
Fermion Index = 0.04
Boson Index = 0.96 |
| Photoelectric: |
PEGustavite =1,426.78 barns/electron
U=PEGustavite x rElectron Density=8,334.41 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gustavite is Not Radioactive |
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Gustavite Classification
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| Dana Class: |
03.04.15.03 (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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(03.04.15)Lillianite Group (Orthorhombic, AmBnS6 where A=Pb, Ag, Mn and B=Sb, Bi) |
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03.04.15.01 Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m |
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03.04.15.02 Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m |
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03.04.15.03 Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m |
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03.04.15.04 Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m |
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03.04.15.05 Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m |
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03.04.15.06 Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m |
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03.04.15.07 Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m |
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03.04.15.08 Fizelyite Pb14Ag5Sb21S48(?) P 21/n 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 Gustavite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Gustavite :
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 Gustavite Specimen Label here :
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Gustavite
PbAgBi3S6 (?)
Dana No: 03.04.15.03 Strunz No: 02.JB.40a
Locality:
Notes:
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