| |
 |
Polarite Mineral Data
|
|
|
General Polarite Information
|
 Chemical Formula: |
Pd(Bi,Pb) |
| Composition: |
Molecular Weight = 314.96 gm |
| |
Bismuth 49.76 % Bi |
| |
Palladium 33.79 % Pd |
| |
Lead 16.45 % Pb |
| |
______ |
| |
100.00 % |
| Empirical Formula: |
PdBi0.75Pb0.25 |
| Environment: |
In hydrothermal Cu-Ni-Fe veins. |
| IMA Status: |
Approved IMA 1969 |
| Locality: |
Talnakh, Norilsk, Polar Ural Mountians, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Polarite  |
| Synonym: |
ICSD 56278 |
| |
PDF 23-1298 |
| |
Polarite Image |
|
Images:
|
|
Pasavaite Polarite
Comments: BSE image of pasavaite (pas) embedded in polarite (po) in association with sperrylite (sp), Pd-Pb-Bi-Te and Au-Ag phases. (CanMin, v47:53).
Location: Talnakh deposit, Noril’sk-Talnakh Ni-Cu camp, Taimyr Autonomous District, Russia.
Scale: See Image.
© Canadian Mineralogist |
|
Polarite Crystallography
|
| Axial Ratios: |
a:b:c =0.8272:1:1.2286 |
| Cell Dimensions: |
a = 7.191, b = 8.693, c = 10.681, Z = 16; V = 667.68 Den(Calc)= 12.53 |
| Crystal System: |
Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: Ccm21 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.65(1), 2.16(0.9), 2.25(0.5), |
| |
Physical Properties of Polarite
|
| Color: |
White, Yellowish white. |
| Density: |
12.51 |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
3.5-4 - Copper Penny-Fluorite |
| Luster: |
Metallic |
| Streak: |
white |
| |
Optical Properties of Polarite
|
| RL Anisotrophism: |
Slight gray to pale brown in oil. |
| RL Color: |
White with yellowish tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Polarite in Air
| λ |
R |
 |
∑ R(λ) |
| 440 nm |
55.40 |
 |
|
| 460 nm |
55.80 |
 |
| 480 nm |
55.90 |
 |
| 500 nm |
56.40 |
 |
| 520 nm |
58.20 |
 |
| 540 nm |
59.20 |
 |
| 560 nm |
59.60 |
 |
| 580 nm |
59.60 |
 |
| 600 nm |
59.90 |
 |
| 620 nm |
59.50 |
 |
| 640 nm |
60.90 |
 |
| 660 nm |
61.20 |
 |
| 680 nm |
60.90 |
 |
| 700 nm |
61.80 |
 |
Calculated Relative Intensity Colors of Polarite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
| R |
|
|
|
|
|
|
|
|
|
|
| |
Calculated Properties of Polarite
|
| Electron Density: |
Bulk Density (Electron Density)=10.2 gm/cc
note: Specific Gravity of Polarite =12.5 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PEPolarite =1,374.79 barns/electron
U=PEPolarite x rElectron Density=14083.69 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Polarite is Not Radioactive |
| |
Polarite Classification
|
| Dana Class: |
02.08.06.01 (02)Sulfides - Including Selenides and Tellurides |
| |
(02.08)where Am Bn Xp, with (m+n):p=1:1 |
| |
(02.08.06)Dana Group |
| |
02.08.06.01 Polarite Pd(Bi,Pb) Ccm21 mm2 |
| Strunz Class: |
02.AC.40 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
| |
02.A - Simple Sulfides, Selenides, etc |
| |
02.AC -Alloys of metalloids with PGE |
| |
02.AC.40 Polarite Pd(Bi,Pb) Ccm21 mm2 |
| |
Other Polarite Information
|
| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Polarite :
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 Polarite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Polarite :
Ask about Polarite 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
Español
Print or Cut-and-Paste your Polarite Specimen Label here :
|
Polarite
Pd(Bi,Pb)
Dana No: 02.08.06.01 Strunz No: 02.AC.40
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.