Polarite Mineral Data

Polarite Mineral Data
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General Polarite Information

Help on Chemical Formula: Chemical Formula: Pd(Bi,Pb)
Help on Composition: Composition: Molecular Weight = 314.96 gm
   Bismuth    49.76 %  Bi
   Palladium  33.79 %  Pd
   Lead       16.45 %  Pb
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: PdBi0.75Pb0.25
Help on Environment: Environment: In hydrothermal Cu-Ni-Fe veins.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Talnakh, Norilsk, Polar Ural Mountians, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Polarite Say POLARITE
Help on Synonym: Synonym: ICSD 56278
  PDF 23-1298
 

Polarite Image

Click Here for Larger Polarite Image in a New Browser Window Images:
Click Here for Larger Polarite Image

Polarite   Pasavaite

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
Help on Axial Ratios: Axial Ratios: a:b:c =0.8272:1:1.2286
Help on Cell Dimensions: Cell Dimensions: a = 7.191, b = 8.693, c = 10.681, Z = 16; V = 667.68 Den(Calc)= 12.53
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Ccm21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.65(1), 2.16(0.9), 2.25(0.5),
Click Here for Large Polarite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
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A - Atoms On/Off
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B - Bonds On/Off
 Help on Above


Zhuravlev N N , Soviet Journal of Experimental and Theoretical Physics , 5 (1957) p.1064-1072, Structure of superconductors. X. Thermal, microscopic and x-ray investigation, of the bismuth-palladium system, Locality: synthetic

 

Physical Properties of Polarite

Help on Color: Color: White, Yellowish white.
Help on Density: Density: 12.51
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Metallic
Help on Streak: Streak: white
 

Optical Properties of Polarite

Help on RL Anisotrophism: RL Anisotrophism: Slight gray to pale brown in oil.
Help on RL Color: RL Color: White with yellowish tint.
Help on Reflectivity 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=10.2 gm/cc
note: Specific Gravity of Polarite =12.5 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEPolarite =1,374.79 barns/electron
U=PEPolarite x rElectron Density=14083.69 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Polarite is Not Radioactive
 

Polarite Classification
Help on Dana Class: 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
Help on Strunz Class: 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
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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

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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: