Palladium Mineral Data

General Palladium Information

Chemical Formula:

Pd,Pt

Composition:

Molecular Weight = 107.44 gm

Iron 2.60 % Fe

Palladium 79.24 % Pd

Platinum 18.16 % Pt

______

100.00 %

Empirical Formula:

Pd_0.8Pt_0.1Fe⁰⁺_0.05

Environment:

As an oxidation product of palladium-bearing suflides and as a primary phase in platinum deposits.

IMA Status:

Valid Species (Pre-IMA) 1803

Locality:

Itabria, Minas Gerais, Brazil. Link to MinDat.org Location Data.

Name Origin:

After the asteroid "Pallas"

Name Pronunciation:

Palladium + Pronunciation

Synonym:

ICSD 64922

PDF 46-1043 ?

Palladium Image

Images:

Palladium

Comments: Platinum-rich palladium nugget, mounted in epoxy, with one side polished.
Location: Itabira, Minas Gerais, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Palladium Crystallography

Cell Dimensions:

a = 3.8824, Z = 4; V = 58.52 Den(Calc)= 12.19

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m

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

By Intensity(I/I_o): 2.246(1), 1.945(0.42), 1.376(0.25),

Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Cubic closest packed, ccp, structure

View Additional jPOWD Structure files for Palladium
[1]

Physical Properties of Palladium

Cleavage:

None

Color:

White, Steel gray.

Density:

11.3 - 11.8, Average = 11.55

Diaphaneity:

Opaque

Fracture:

Elastic - Fragments which spring back after bending.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

4.5-5 - Near Apatite

Luminescence:

Non-fluorescent.

Luster:

Metallic

Magnetism:

Nonmagnetic

Optical Properties of Palladium

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Palladium in Air**
λ	R	∑ R(λ)
400 nm	60.60
420 nm	62.00
440 nm	63.40
460 nm	64.60
480 nm	65.60
500 nm	66.40
520 nm	67.20
540 nm	67.80
560 nm	68.30
580 nm	68.90
600 nm	69.50
620 nm	70.20
640 nm	70.90
660 nm	71.70
680 nm	72.50
700 nm	73.40

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

Calculated Properties of Palladium

Electron Density:

Bulk Density (Electron Density)=10.4 gm/cc
note: Specific Gravity of Palladium =12.2 gm/cc.

Fermion Index:

Fermion Index = 0.23
Boson Index = 0.77

Photoelectric:

PE_Palladium= 470.20 barns/electron
U=PE_Palladium x rElectron Density=4,897.50 barns/cc.

Radioactivity:

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

Palladium Classification

Dana Class:

01.02.01.04 (01)Native Elements

(01.02)with platinum group metals and alloys

(01.02.01)Platinum group (Space Group Fm3m)

01.02.01.01 Platinum Pt F m3m 4/m 3 2/m

01.02.01.02 Iridium (Ir,Os,Ru,Pt) F m3m 4/m 3 2/m

01.02.01.03 Rhodium (Rh,Pt) F m3m 4/m 3 2/m

01.02.01.04 Palladium Pd,Pt F m3m 4/m 3 2/m

Strunz Class:

01.AF.10 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AF -Platinum-group elements

01.AF.10 Palladium Pd,Pt F m3m 4/m 3 2/m

01.AF.10 Iridium (Ir,Os,Ru,Pt) F m3m 4/m 3 2/m

01.AF.10 Rhodium (Rh,Pt) F m3m 4/m 3 2/m

01.AF.10 Platinum Pt F m3m 4/m 3 2/m

Other Palladium Information

References:

NAME( Emsley91) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Palladium :
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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Print or Cut-and-Paste your Palladium Specimen Label here :

Palladium

Pd,Pt
Dana No: 01.02.01.04 Strunz No: 01.AF.10
Locality:

Notes: