Plumbopalladinite Mineral Data

Plumbopalladinite Mineral Data +

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General Plumbopalladinite Information

Chemical Formula:

Pd3Pb2

Composition:

Molecular Weight = 733.66 gm

Palladium 43.52 % Pd

Lead 56.48 % Pb

______

100.00 %

Empirical Formula:

Pd₃Pb₂

Environment:

In Ni-Cu ores.

IMA Status:

Approved IMA 1970

Locality:

Majak (Mayak) mine, Talnakh, Norilsk, Siberia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for the composition.

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Plumbopalladinite Crystallography

Axial Ratios:

a:c = 1:1.27941

Cell Dimensions:

a = 4.47, c = 5.719, Z = 1; V = 98.96 Den(Calc)= 12.31

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

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

By Intensity(I/I_o): 2.23(1), 2.3(1), 1.207(0.6),

Physical Properties of Plumbopalladinite

Color:

White.

Density:

12.4

Diaphaniety:

Opaque

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

5 - Apatite

Luster:

Metallic

Optical Properties of Plumbopalladinite

RL Anisotrophism:

Strong, orange-brown to dark brown.

RL Color:

Bright white with a faint rose tint.

RL Pleochroism:

Noticeable in air.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Plumbopalladinite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
440 nm	43.50	46.60
460 nm	44.60	48.20
480 nm	45.80	49.50
500 nm	47.50	50.80
520 nm	49.00	52.60
540 nm	50.70	54.40
560 nm	52.40	55.80
580 nm	53.90	57.10
600 nm	55.20	58.00
620 nm	56.60	59.20
640 nm	58.30	60.80
660 nm	60.00	62.60
680 nm	61.40	64.40
700 nm	62.80	66.10

**Calculated Relative Intensity Colors of Plumbopalladinite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	200%
R₁
R₂

Calculated Properties of Plumbopalladinite

Electron Density:

r_electron=10.1 gm/cc
note: r_{Plumbopalladinite}=12.3 gm/cc.

Fermion Index

Fermion Index = 0.222
Boson Index = 0.778

Photoelectric:

PE_{Plumbopalladinite}=1,163.79 barns/electron
U=PE_{Plumbopalladinite} x r_electron=11794.33 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Plumbopalladinite is Not Radioactive

Plumbopalladinite Classification

Dana Class:

1.2.11.1 (1)Native Elements

(1.2)with platinum group metals and alloys

(1.2.11)Dana Group

1.2.11.1 Plumbopalladinite Pd3Pb2 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

I/A.16-70 I - Elements

I/A - Metallic and intermetallic compounds, Platinum-Iron-compounds with Tin/Lead and related compunds

I/A.16 - Zvyagintsevite - Plumbopalladinite series

I/A.16-10 Zvyagintsevite (Pd,Pt,Au)3(Pb,Sn) P m3m 4/m 3 2/m

I/A.16-20 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m

I/A.16-30 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m

I/A.16-40 Niggliite PtSn P 6₃/mmc 6/m 2/m 2/m

I/A.16-50 Stannopalladinite (Pd,Cu)3Sn2(?) P 6₃/mmc 6/m 2/m 2/m

I/A.16-60 Palarstanide Pd8(Sn,As)3 P 6₃22 6 2 2

I/A.16-70 Plumbopalladinite Pd3Pb2 P 6₃/mmc 6/m 2/m 2/m

Other Plumbopalladinite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Plumbopalladinite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Plumbopalladinite Specimen Label here :

Plumbopalladinite

Pd3Pb2
Dana No: 1.2.11.1 Strunz No: I/A.16-70
Locality:

Notes: