Weishanite Mineral Data + Say WEISHANITE


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General Weishanite Information

Help on Chemical  Formula: Chemical Formula: (Au,Ag)3Hg2
Help on Composition: Composition: Molecular Weight = 925.26 gm
   Silver    8.74 %  Ag
   Mercury  43.36 %  Hg
   Gold     47.90 %  Au
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Au2.25Ag0.75Hg2
Help on Environment: Environment: In the silicified zone of the silver-rich part of an Au-Ag deposit in biotite granulte.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Weishan, Poshan mining district,Tongbai County, Henan Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
 

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Weishanite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.64626
Help on Cell Dimensions: Cell Dimensions: a = 2.9265, c = 4.8178, Z = 0.25; V = 35.73 Den(Calc)= 10.75
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.243(1), 0.9396(0.9), 1.3593(0.8),
 

Physical Properties of Weishanite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light yellow.
Help on Diaphaniety: Diaphaniety: Opaque
Help on Fracture: Fracture: Malleable - Deforms rather than breaking apart with a hammer.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic
Help on Streak: Streak: light yellow
 

Optical Properties of Weishanite

Help on RL Anisotrophism: RL Anisotrophism: Weak.
Help on RL Pleochroism: RL Pleochroism: Weak.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Weishanite in Air
λ R  ∑ R(λ) 
 480 nm   63.75   
 534 nm   76.30 
 589 nm   81.03 
 656 nm   68.60 
Calculated Relative Intensity Colors of Weishanite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140%
R                
 

Calculated Properties of Weishanite

Help on Electron Density: Electron Density:

relectron=8.67 gm/cc
note: rWeishanite =10.8 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.13094
Boson Index = 0.86906
Help on Photoelectric: Photoelectric:

PEWeishanite =1,594.03 barns/electron
U=PEWeishanite x relectron=13816.02 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Weishanite is Not Radioactive

 

Weishanite Classification

Help on  Dana Class: Dana Class: 1.1.8.6 (1)Native Elements
  (1.1)with metallic elements other than the platinum group
  (1.1.8)Silver Amalgam Alloys
 
1.1.8.0 Amalgam* Ag2Hg3 Unk Cubic
 
1.1.8.1 Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m
 
1.1.8.2 Schachnerite Ag1.1Hg0.9 P 63/mmc 6/m 2/m 2/m
 
1.1.8.3 Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m
 
1.1.8.4 Luanheite Ag3Hg P 63/mmc 6/m 2/m 2/m
 
1.1.8.5 Eugenite Ag9Hg2 I 43m 4 3m
 
1.1.8.6 Weishanite (Au,Ag)3Hg2 P 63/mmc 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: I/A.02-80 I - Elements
  I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides
  I/A.02 - Mercury and Amalgame series
 
I/A.02-10 Mercury Hg R 3m 3 2/m
 
I/A.02-20 Kolymite Cu7Hg6 I 43m 4 3m
 
I/A.02-22 Belendorffite Cu7Hg6 R 3m 3m
 
I/A.02-28 Eugenite Ag9Hg2 I 43m 4 3m
 
I/A.02-30 Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m
 
I/A.02-40 Luanheite Ag3Hg P 63/mmc 6/m 2/m 2/m
 
I/A.02-50 Schachnerite Ag1.1Hg0.9 P 63/mmc 6/m 2/m 2/m
 
I/A.02-60 Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m
 
I/A.02-70 Goldamalgam* (Au,Ag)Hg I m3m 4/m 3 2/m
 
I/A.02-80 Weishanite (Au,Ag)3Hg2 P 63/mmc 6/m 2/m 2/m
 
I/A.02-90 Potarite PdHg P 4/mmm 4/m 2/m 2/m
 
I/A.02-100 Leadamalgam HgPb2 I 4/mmm 4/m 2/m 2/m
 

Other Weishanite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.73,p196,1988) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Weishanite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Weishanite Specimen Label here :

Weishanite

(Au,Ag)3Hg2
Dana No: 1.1.8.6 Strunz No: I/A.02-80
Locality:

 

Notes:

 

 
   
 
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