| |
 |
Palladseite Mineral Data
|
|
|
General Palladseite Information
|
 Chemical Formula: |
Pd17Se15 |
| Composition: |
Molecular Weight = 2,993.54 gm |
| |
Palladium 60.43 % Pd |
| |
Selenium 39.57 % Se |
| |
______ |
| |
100.00 % |
| Empirical Formula: |
Pd17Se15 |
| Environment: |
Residual concentrates from gold washings. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Itabira, Minas Gerais, Brazil Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition, PALLADium and SElenium. |
| Name Pronunciation: |
Palladseite + Pronunciation  |
| Synonym: |
ICSD 23907 |
| |
PDF 29-1437 |
| |
Palladseite Image |
|
Images:
|
|
Palladseite Crystallography
|
| Cell Dimensions: |
a = 10.606, Z = 2; V = 1,193.04 Den(Calc)= 8.33 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 1.875(1), 3.198(1), 2.041(0.81), |
| |
Physical Properties of Palladseite
|
| Color: |
White. |
| Density: |
8.3 |
| Diaphaneity: |
Opaque |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Hardness: |
4.5-5 - Near Apatite |
| Luster: |
Metallic |
| |
Optical Properties of Palladseite
|
| RL Color: |
White in air, light gray in oil. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Palladseite in Air
| λ |
R |
 |
∑ R(λ) |
| 400 nm |
42.40 |
 |
|
| 420 nm |
42.80 |
 |
| 440 nm |
43.30 |
 |
| 460 nm |
43.80 |
 |
| 480 nm |
44.30 |
 |
| 500 nm |
44.80 |
 |
| 520 nm |
45.40 |
 |
| 540 nm |
45.70 |
 |
| 560 nm |
45.80 |
 |
| 580 nm |
45.70 |
 |
| 600 nm |
45.60 |
 |
| 620 nm |
45.60 |
 |
| 640 nm |
45.60 |
 |
| 660 nm |
45.70 |
 |
| 680 nm |
45.80 |
 |
| 700 nm |
46.20 |
 |
Calculated Relative Intensity Colors of Palladseite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
| R |
|
|
|
|
|
|
|
|
|
|
| |
Calculated Properties of Palladseite
|
| Electron Density: |
Bulk Density (Electron Density)=7.19 gm/cc
note: Specific Gravity of Palladseite =8.33 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.16
Boson Index = 0.84 |
| Photoelectric: |
PEPalladseite = 178.67 barns/electron
U=PEPalladseite x rElectron Density=1,284.71 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Palladseite is Not Radioactive |
| |
Palladseite Classification
|
| Dana Class: |
02.16.19.01 (02)Sulfides - Including Selenides and Tellurides |
| |
(02.16)with miscellaneous formulae |
| |
(02.16.19)Palladseite Group |
| |
02.16.19.01 Palladseite Pd17Se15 P m3m 4/m 3 2/m |
| |
02.16.19.02 Miassite! Rh17S15 P m3m 4/m 3 2/m |
| |
02.16.19.02a Prassoite! Rh17S15(?) P m3m 4/m 3 2/m |
| Strunz Class: |
02.BC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
| |
02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
| |
02.BC -With Rh, Pd, Pt, etc. |
| |
02.BC.05 Miassite! Rh17S15 P m3m 4/m 3 2/m |
| |
02.BC.05 Palladseite Pd17Se15 P m3m 4/m 3 2/m |
| |
Other Palladseite Information
|
| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Palladseite :
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
Search for Palladseite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Palladseite :
Ask about Palladseite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espaņol
Print or Cut-and-Paste your Palladseite Specimen Label here :
|
Palladseite
Pd17Se15
Dana No: 02.16.19.01 Strunz No: 02.BC.05
Locality:
Notes:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.
