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Bortnikovite Mineral Data
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General Bortnikovite Information
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Chemical Formula: |
Pd4Cu3Zn |
Composition: |
Molecular Weight = 691.46 gm |
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Zinc 8.10 % Zn |
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Iron 1.43 % Fe |
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Copper 27.55 % Cu |
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Palladium 58.82 % Pd |
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Platinum 4.09 % Pt |
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______ |
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100.00 % |
Empirical Formula: |
Pd3.82Pt0.14Cu2.99Zn0.85Fe0+0.17 |
Environment: |
Overgrowth rims on isoferroplatinum grain concentrates from the Konder PGM placer deposit which is derived from the Konder alkaline ultramafic massif. |
IMA Status: |
Approved IMA 2006 (Dana # Added) |
Locality: |
Konder river, Ayan-Maya region, Aldan Plateau, Khabarovsk District, Russia Link to MinDat.org Location Data. |
Name Origin: |
Named for Nikolai Stefanovich Bortnikov, mineralogist and researcher at the Russian Academy of Sciences. |
Synonym: |
IMA2006-027 |
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Bortnikovite Crystallography
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Axial Ratios: |
a:c = 1:1.41666 |
Cell Dimensions: |
a = 6, c = 8.5, V = 306.00 |
Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm |
X Ray Diffraction: |
By Intensity(I/Io): 2.13(1), 1.224(0.8), 1.059(0.4),1.501(0.3), 1.346(0.2), 1.737(0.1), 2.67(0.1), 3(0.1), |
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Physical Properties of Bortnikovite
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Cleavage: |
None |
Color: |
Steel white. |
Diaphaneity: |
Opaque |
Fracture: |
Malleable - Deforms rather than breaking apart with a hammer. |
Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
Hardness: |
4.5-5 - Near Apatite |
Luster: |
Metallic |
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Optical Properties of Bortnikovite
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Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Bortnikovite in Air
λ |
R |
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∑ R(λ) |
470 nm |
56.90 |
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546 nm |
61.70 |
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589 nm |
63.40 |
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650 nm |
65.40 |
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Calculated Relative Intensity Colors of Bortnikovite in Air
Relative Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
R |
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Calculated Properties of Bortnikovite
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Fermion Index: |
Fermion Index = 0.14 Boson Index = 0.86 |
Photoelectric: |
PEBortnikovite = 217.98 barns/electron U=PEBortnikovite x rElectron Density= . barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Bortnikovite is Not Radioactive |
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Bortnikovite Classification
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Dana Class: |
01.02.14.02 (01)Native Elements |
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(01.02)with platinum group metals and alloys |
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(01.02.14)Dana Group |
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01.02.14.01 Nielsenite! PdCu3 P 4mm 4mm |
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01.02.14.02 Bortnikovite! Pd4Cu3Zn P 4/mmm 4/m 2/m 2/m |
Strunz Class: |
01.AG.65 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.A - Metals and Intermetallic Alloys |
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01.AG -PGE-metal alloys |
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01.AG.65 Bortnikovite! Pd4Cu3Zn P 4/mmm 4/m 2/m 2/m |
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Other Bortnikovite Information
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References: |
NAME( AmMin, v93:705) PHYS. PROP.(AmMin, v93:705) OPTIC PROP.(AmMin, v93:705) |
See Also: |
Links to other databases for Bortnikovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Bortnikovite Specimen Label here :
Bortnikovite
Pd4Cu3Zn
Dana No: 01.02.14.02 Strunz No: 01.AG.65
Locality:
Notes:
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