Polhemusite Mineral Data

Polhemusite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About


General Polhemusite Information

Help on Chemical Formula: Chemical Formula: (Zn,Hg)S
Help on Composition: Composition: Molecular Weight = 131.26 gm
   Zinc     37.36 %  Zn
   Mercury  38.21 %  Hg
   Sulfur   24.43 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Zn0.75Hg0.25S
Help on Environment: Environment: As part of a replacement deposit of stibnite.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: B and B deposit, Big Creek district, Valley County, Idaho, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Clyde Polhemus Ross, American economic geologist.
Help on Name Pronunciation: Name Pronunciation: Polhemusite + Pronunciation Say POLHEMUSITE
 

Polhemusite Image

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

Polhemusite

Comments: B&W polished section (PPL) image (green filter) of aggregates of polhemusite (P) in stibnite (S) with associated cinnabar (C) and quartz (Q). (AmMin, v63:1153).
Location: Mercury-bearing antimony ore from the B and B deposit, Big Creek district, Valley County, Idaho. Scale: Scale Bar 0.5 mm.
© American Mineralogist

Polhemusite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.6923
Help on Cell Dimensions: Cell Dimensions: a = 8.71, c = 14.74, Z = 24; V = 1,118.24 Den(Calc)= 4.68
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 4/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.08(1), 1.888(0.8), 3.16(0.7),
 

Physical Properties of Polhemusite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Black.
Help on Density: Density: 4.93
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Adamantine - Resinous
 

Optical Properties of Polhemusite

Help on RL Anisotrophism: RL Anisotrophism: Moderate in air, strong in oil.
Help on RL Color: RL Color: Gray, with intense red internal reflections.
Help on RL Pleochroism: RL Pleochroism: Very slightly brownish gray to slightly lavender-gray.
 

Calculated Properties of Polhemusite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.17 gm/cc
note: Specific Gravity of Polhemusite =4.68 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEPolhemusite = 628.11 barns/electron
U=PEPolhemusite x rElectron Density=2,620.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Polhemusite is Not Radioactive
 

Polhemusite Classification
Help on Dana Class: Dana Class: 02.08.03.01 (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.03)Dana Group
 
02.08.03.01 Polhemusite (Zn,Hg)S P 4/n 4/m
Help on Strunz Class: Strunz Class: 02.CB.05c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
 
02.CB.05c Polhemusite (Zn,Hg)S P 4/n 4/m
 

Other Polhemusite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Polhemusite :
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 Polhemusite using:

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

Visit our Advertisers for Polhemusite :

A Bijoux Google Search for Polhemusite
Adam's Minerals Google Search for Polhemusite
Cape Minerals Google Search for Polhemusite
Dakota Matrix Minerals Google Search for Polhemusite
Excalibur Mineral Corp. Google Search for Polhemusite
Exceptional Minerals Google Search for Polhemusite
John Betts Fine Minerals Search for Polhemusite
McDougall Minerals Google Search for Polhemusite
Mineral News Website Link
Rock and Mineral Shows Google Search for Polhemusite
Weinrich Minerals, Inc. Google Search for Polhemusite

Ask about Polhemusite 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 Polhemusite Specimen Label here :

Polhemusite

(Zn,Hg)S
Dana No: 02.08.03.01 Strunz No: 02.CB.05c
Locality:

 

Notes: