Bortnikovite Mineral Data

General Bortnikovite Information

Chemical Formula:

Pd4Cu3Zn

Composition:

Molecular Weight = 691.46 gm

Zinc 8.10 % Zn

Iron 1.43 % Fe

Copper 27.55 % Cu

Palladium 58.82 % Pd

Platinum 4.09 % Pt

______

100.00 %

Empirical Formula:

Pd_3.82Pt_0.14Cu_2.99Zn_0.85Fe⁰⁺_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

Axial Ratios:

a:c = 1:1.41666

Cell Dimensions:

a = 6, c = 8.5, V = 306.00

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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),

Physical Properties of Bortnikovite

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

Optical Properties of Bortnikovite

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Bortnikovite in Air**
λ	R	∑ R(λ)
470 nm	56.90
546 nm	61.70
589 nm	63.40
650 nm	65.40

**Calculated Relative Intensity Colors of Bortnikovite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%
R

Calculated Properties of Bortnikovite

Fermion Index:

Fermion Index = 0.14
Boson Index = 0.86

Photoelectric:

PE_Bortnikovite= 217.98 barns/electron
U=PE_Bortnikovite x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bortnikovite is Not Radioactive

Bortnikovite Classification

Dana Class:

01.02.14.02 (01)Native Elements

(01.02)with platinum group metals and alloys

(01.02.14)Dana Group

01.02.14.01 Nielsenite! PdCu3 P 4mm 4mm

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)

01.A - Metals and Intermetallic Alloys

01.AG -PGE-metal alloys

01.AG.65 Bortnikovite! Pd4Cu3Zn P 4/mmm 4/m 2/m 2/m

Other Bortnikovite Information

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: