Mineralogy Database

Miessiite Mineral Data

Search Webmineral :
  
Advertisment

General Miessiite Information

Help on Chemical  Formula: Chemical Formula: Pd11Te2Se2
Help on Composition: Composition: Molecular Weight = 1,589.46 gm
   Tellurium  16.78 %  Te
   Palladium  73.78 %  Pd
   Selenium    9.44 %  Se
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd11.02Te2.09Se1.9
Help on Environment: Environment: Discovered along with placer gold and PGM nuggets. Isomertieite group.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Miessi (in Saami language, Miessijohka) River placers, Lemmenjoki area, Inari commune, Lapland, Finland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2006-013
 

Miessiite Image

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

  Miessiite

Comments: B&W optical image of miessiite grain. (CanMin, v45:1221).
Location: Miessi River placers, Lemmenjoki area, Inari commune, Lapland, Finland.. Scale: See Image.
© Canadian Mineralogist

Miessiite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 12.448, Z = 8; V = 1,928.85 Den(Calc)= 10.95
Help on Crystal System: Crystal System: Isometric - Diploidal H-M Symbol (2/m 3) Space Group: F d3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.197(1), 2.395(0.8), 1.271(0.3),1.305(0.25), 1.555(0.25), 1.875(0.25), 2.072(0.2), 2.543(0.2),
 

Physical Properties of Miessiite

Help on Color: Color: Black, Silvery gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Malleable - Deforms rather than breaking apart with a hammer.
Help on Habit: Habit: Nuggets - Irregular lumps produced by stream transport of malleable metals.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Miessiite

Help on RL Anisotrophism: RL Anisotrophism: None.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: Light gray in air, pinkish gray in oil.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Miessiite in Air
λ R  ∑ R(λ) 
 400 nm   44.30   
 420 nm   45.65 
 440 nm   47.60 
 460 nm   48.65 
 470 nm   48.90 
 480 nm   49.10 
 500 nm   49.60 
 520 nm   50.30 
 540 nm   51.40 
 546 nm   51.60 
 560 nm   52.20 
 580 nm   53.30 
 589 nm   53.90 
 600 nm   54.60 
 620 nm   55.70 
 640 nm   56.50 
 650 nm   56.80 
 660 nm   57.10 
 680 nm   57.55 
 700 nm   58.30 
Standardized Intensity (100%) Reflection Spectra of Miessiite in Oil
λ R  ∑ R(λ) 
 400 nm   22.60   
 420 nm   23.60 
 440 nm   26.50 
 460 nm   28.70 
 470 nm   29.50 
 480 nm   30.20 
 500 nm   30.80 
 520 nm   30.50 
 540 nm   31.20 
 546 nm   31.60 
 560 nm   32.45 
 580 nm   33.20 
 589 nm   33.70 
 600 nm   34.35 
 620 nm   35.10 
 640 nm   36.10 
 650 nm   36.65 
 660 nm   37.20 
 680 nm   37.80 
 700 nm   38.40 
Calculated Relative Intensity Colors of Miessiite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%
R                      
Calculated Relative Intensity Colors of Miessiite in Oil
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 320%
R                    
 

Calculated Properties of Miessiite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.37 gm/cc
note: Specific Gravity of Miessiite =11.0 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.18
Boson Index = 0.82
Help on Photoelectric: Photoelectric: PEMiessiite = 248.24 barns/electron
U=PEMiessiite x rElectron Density=2,326.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Miessiite is Not Radioactive
 

Miessiite Classification

Help on  Dana Class: Dana Class: 02.16.02.02 (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.02)Dana Group
 
02.16.02.01 Isomertieite Pd11Sb2As2 F d3m 4/m 3 2/m
 
02.16.02.02 Miessiite! Pd11Te2Se2 F d3m 2/m 3
Help on  Strunz Class: Strunz Class: 02.AC.15a 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.15a Isomertieite Pd11Sb2As2 F d3m 4/m 3 2/m
 
02.AC.15a Miessiite! Pd11Te2Se2 F d3m 2/m 3
 

Other Miessiite Information

Help on References: References: NAME( CanMin, v45:1221) PHYS. PROP.(CanMin, v45:1221) OPTIC PROP.(CanMin, v45:1221)
Help on See Also: See Also: Links to other databases for Miessiite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Miessiite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Miessiite :

Ask about Miessiite 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 Miessiite Specimen Label here :

Miessiite

Pd11Te2Se2
Dana No: 02.16.02.02 Strunz No: 02.AC.15a
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.