General Palladium Information
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Chemical Formula: |
Pd,Pt |
Composition: |
Molecular Weight = 107.44 gm |
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Iron 2.60 % Fe |
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Palladium 79.24 % Pd |
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Platinum 18.16 % Pt |
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______ |
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100.00 % |
Empirical Formula: |
Pd0.8Pt0.1Fe0+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" |
Synonym: |
ICSD 64922 |
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PDF 46-1043 ? |
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Palladium Image |
Images:
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Palladium Crystallography
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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 |
X Ray Diffraction: |
By Intensity(I/Io): 2.246(1), 1.945(0.42), 1.376(0.25), |
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
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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]
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Physical Properties of Palladium
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Cleavage: |
None |
Color: |
White, Steel gray. |
Density: |
11.3 - 11.8, Average = 11.55 |
Diaphaniety: |
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 |
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Optical Properties of Palladium
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Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Palladium in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
60.60 |
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| 420 nm |
62.00 |
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| 440 nm |
63.40 |
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| 460 nm |
64.60 |
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| 480 nm |
65.60 |
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| 500 nm |
66.40 |
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| 520 nm |
67.20 |
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| 540 nm |
67.80 |
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| 560 nm |
68.30 |
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| 580 nm |
68.90 |
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| 600 nm |
69.50 |
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| 620 nm |
70.20 |
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| 640 nm |
70.90 |
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| 660 nm |
71.70 |
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| 680 nm |
72.50 |
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| 700 nm |
73.40 |
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Calculated Relative Intensity Colors of Palladium in Air
Relative Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
| R |
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Calculated Properties of Palladium
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Electron Density: |
relectron=10.4 gm/cc note: rPalladium =12.2 gm/cc. |
Fermion Index |
Fermion Index = 0.23887 Boson Index = 0.76113 |
Photoelectric: |
PEPalladium = 470.20 barns/electron U=PEPalladium x relectron=4,897.50 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Palladium is Not Radioactive |
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Palladium Classification
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Dana Class: |
1.2.1.4 (1)Native Elements |
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(1.2)with platinum group metals and alloys |
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(1.2.1)Platinum group (Space Group Fm3m) |
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1.2.1.1 Platinum Pt F m3m 4/m 3 2/m |
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1.2.1.2 Iridium (Ir,Os,Ru,Pt) F m3m 4/m 3 2/m |
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1.2.1.3 Rhodium (Rh,Pt) F m3m 4/m 3 2/m |
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1.2.1.4 Palladium Pd,Pt F m3m 4/m 3 2/m |
Strunz Class: |
I/A.14-20 I - Elements |
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I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides |
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I/A.14 - Platinum series |
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I/A.14-10 Rhodium (Rh,Pt) F m3m 4/m 3 2/m |
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I/A.14-20 Palladium Pd,Pt F m3m 4/m 3 2/m |
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I/A.14-30 Iridium (Ir,Os,Ru,Pt) F m3m 4/m 3 2/m |
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I/A.14-70 Platinum Pt F m3m 4/m 3 2/m |
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I/A.14-80 Yixunite! Pt3In P m3m 4/m 3 2/m |
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I/A.14-85 Damiaoite! PtIn2 F m3m 4/m 3 2/m |
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I/A.14-90 Hongshiite* PtCu R 3m 3 2/m |
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I/A.14-100 Skaergaardite! CuPd P m3m 4/m 3 2/m |
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Other Palladium Information
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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 - Applied Mineralogy
3 -Athena
4 - Crocoite.com Mineral Locations
5 - EUROmin Project
6 -Google Images
7 -Google Scholar
8 -Handbook of Mineralogy (UofA)
9 -MinDAT
10 -MinMax(Deutsch)
11 -MinMax(English)
12 -Mineralienatlas (Deutsch)
13 -QUT Mineral Atlas
14 - WWW-MINCRYST
15 -École des Mines de Paris
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Print or Cut-and-Paste your Palladium Specimen Label here :
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Palladium
Pd,Pt
Dana No: 1.2.1.4 Strunz No: I/A.14-20
Locality:
Notes:
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