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Borishanskiite Mineral Data
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General Borishanskiite Information
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 Chemical Formula: |
Pd1+x(As,Pb)2, x = 0-0.2 |
| Composition: |
Molecular Weight = 333.04 gm |
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Arsenic 33.74 % As |
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Palladium 35.15 % Pd |
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Lead 31.11 % Pb |
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______ |
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100.00 % |
| Empirical Formula: |
Pd1.1As1.5Pb0.5 |
| Environment: |
In massive and disseminated Cu-Ni sulfide ores. |
| IMA Status: |
Approved IMA 1975 |
| Locality: |
In the Oktyabr mine, Talnakh area, Noril'sk region, western, USSR. Link to MinDat.org Location Data. |
| Name Origin: |
For S.S. Borishanski, Soviet mineralogist. |
| Name Pronunciation: |
Borishanskiite + Pronunciation  |
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Borishanskiite Crystallography
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| Axial Ratios: |
a:b:c =0.8329:1:1.2366 |
| Cell Dimensions: |
a = 7.18, b = 8.62, c = 10.66, Z = 12; V = 659.76 Den(Calc)= 10.06 |
| Crystal System: |
Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: Ccm21 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.65(1), 2.16(0.9), 2.5(0.6), |
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Physical Properties of Borishanskiite
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| Color: |
Gray. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
4 - Fluorite |
| Luster: |
Metallic |
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Optical Properties of Borishanskiite
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| RL Anisotrophism: |
Barely noticeable to moderate, in yellowish gray tones. |
| RL Color: |
Gray white. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Borishanskiite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 430 nm |
53.20 |
51.60 |
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| 460 nm |
54.60 |
54.10 |
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| 490 nm |
55.20 |
55.80 |
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| 520 nm |
56.20 |
56.00 |
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| 550 nm |
57.00 |
56.60 |
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| 580 nm |
57.80 |
57.30 |
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| 610 nm |
58.70 |
58.30 |
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| 640 nm |
59.80 |
59.30 |
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| 670 nm |
60.60 |
60.10 |
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| 700 nm |
61.70 |
61.20 |
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Calculated Relative Intensity Colors of Borishanskiite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
170% |
| R1 |
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| R2 |
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Calculated Properties of Borishanskiite
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| Electron Density: |
Bulk Density (Electron Density)=8.52 gm/cc
note: Specific Gravity of Borishanskiite =10.1 gm/cc.
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| Fermion Index: |
Fermion Index = 0.14
Boson Index = 0.86 |
| Photoelectric: |
PEBorishanskiite = 676.02 barns/electron
U=PEBorishanskiite x rElectron Density=5,762.53 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Borishanskiite is Not Radioactive |
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Borishanskiite Classification
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| Dana Class: |
02.12.16.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.12)where Am Bn Xp, with (m+n):p=1:2 |
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(02.12.16)Dana Group |
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02.12.16.01 Borishanskiite Pd1x(As,Pb)2,x=0-0.2 Ccm21 mm2 |
| Strunz Class: |
02.AC.45c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.A - Simple Sulfides, Selenides, etc |
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02.AC -Alloys of metalloids with PGE |
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02.AC.45c Borishanskiite Pd1x(As,Pb)2,x=0-0.2 Ccm21 mm2 |
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Other Borishanskiite 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 Borishanskiite :
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 Borishanskiite Specimen Label here :
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Borishanskiite
Pd1+x(As,Pb)2, x = 0-0.2
Dana No: 02.12.16.01 Strunz No: 02.AC.45c
Locality:
Notes:
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