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Jaskolskiite Mineral Data
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General Jaskolskiite Information
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 Chemical Formula: |
Pb2+xCux(Sb,Bi)2-xS5, x=0.2 |
| Composition: |
Molecular Weight = 900.37 gm |
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Copper 1.41 % Cu |
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Bismuth 13.93 % Bi |
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Antimony 16.23 % Sb |
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Lead 50.63 % Pb |
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Sulfur 17.81 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Pb2.2Cu0.2Sb1.2Bi0.6S5 |
| Environment: |
In aggregates of sulfosalts in Cu-Co ores of the fahlband type. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
In the Vena deposit, Narke, Bergslangen metallic province, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Stanislaw Jaskolski (1896-1981), of the Akademia Gorniczo-Hutnicza, Krakow, Poland. |
| Name Pronunciation: |
Jaskolskiite + Pronunciation  |
| Synonym: |
ICSD 30972 |
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PDF 38-363 |
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Jaskolskiite Image |
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Images:
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Jaskolskiite Crystallography
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| Axial Ratios: |
a:b:c =0.5702:1:0.2063 |
| Cell Dimensions: |
a = 11.331, b = 19.871, c = 4.1, Z = 4; V = 923.15 Den(Calc)= 6.48 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbnm |
| X Ray Diffraction: |
By Intensity(I/Io): 3.71(1), 2.97(0.8), 3.333(0.6), |
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Physical Properties of Jaskolskiite
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| Color: |
Lead gray. |
| Density: |
6.5 |
| Diaphaneity: |
Opaque |
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
| Hardness: |
4 - Fluorite |
| Luster: |
Metallic |
| Streak: |
dark gray |
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Optical Properties of Jaskolskiite
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| RL Anisotrophism: |
Strong without distinct colors. |
| RL Color: |
Gray. |
| RL Pleochroism: |
Moderate, in yellow tints. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Jaskolskiite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
38.40 |
44.90 |
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| 420 nm |
38.40 |
44.60 |
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| 440 nm |
38.10 |
44.10 |
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| 460 nm |
37.80 |
43.60 |
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| 480 nm |
37.40 |
43.10 |
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| 500 nm |
37.00 |
42.60 |
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| 520 nm |
36.70 |
42.30 |
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| 540 nm |
36.50 |
42.00 |
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| 560 nm |
36.30 |
41.70 |
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| 580 nm |
36.10 |
41.50 |
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| 600 nm |
36.00 |
41.30 |
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| 620 nm |
35.80 |
41.00 |
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| 640 nm |
35.50 |
40.70 |
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| 660 nm |
35.20 |
40.20 |
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| 680 nm |
34.80 |
39.80 |
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| 700 nm |
34.40 |
39.30 |
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Calculated Relative Intensity Colors of Jaskolskiite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
250% |
| R1 |
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| R2 |
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Calculated Properties of Jaskolskiite
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| Electron Density: |
Bulk Density (Electron Density)=5.43 gm/cc
note: Specific Gravity of Jaskolskiite =6.48 gm/cc.
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| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PEJaskolskiite =1,253.80 barns/electron
U=PEJaskolskiite x rElectron Density=6,807.48 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jaskolskiite is Not Radioactive |
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Jaskolskiite Classification
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| Dana Class: |
03.05.13.01 (03)Sulfides - Sulfosalts |
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(03.05)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.05.13)Dana Group |
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03.05.13.01 Jaskolskiite Pb2xCux(Sb,Bi)2-xS5,x=0.2 Pbnm 2/m 2/m 2/m |
| Strunz Class: |
02.HB.05c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.H - Sulfosalts of SnS Archetype |
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02.HB -With Cu, Ag, Hg, Fe, Sn and Pb |
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02.HB.05c Jaskolskiite Pb2xCux(Sb,Bi)2-xS5,x=0.2 Pbnm 2/m 2/m 2/m |
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Other Jaskolskiite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Jaskolskiite :
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
15 - WWW-MINCRYST
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Jaskolskiite
Pb2+xCux(Sb,Bi)2-xS5, x=0.2
Dana No: 03.05.13.01 Strunz No: 02.HB.05c
Locality:
Notes:
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