Mineralogy Database

Luanheite Mineral Data

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General Luanheite Information

Help on Chemical  Formula: Chemical Formula: Ag3Hg
Help on Composition: Composition: Molecular Weight = 524.19 gm
   Silver   61.73 %  Ag
   Mercury  38.27 %  Hg
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Ag3Hg
Help on Environment: Environment: In a placer containing gold and other elements.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Luanhe River, Chengde Co.,Hebei Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Luanheite + Pronunciation Say LUANHEITE
 

Luanheite Image

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  Luanheite

Comments: Inclusions of luanheite, in tellurium, in quartz.
Location: Mina Bambolla, Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Luanheite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.66111
Help on Cell Dimensions: Cell Dimensions: a = 6.61, c = 10.98, Z = 6; V = 415.47 Den(Calc)= 12.57
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Dipyramidal H-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): 1.495(1), 1.204(0.9), 2.83(0.7),
 

Physical Properties of Luanheite

Help on Cleavage: Cleavage: None
Help on Color: Color: Gray white, Black.
Help on Density: Density: 12.5
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Malleable - Deforms rather than breaking apart with a hammer.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black
 

Optical Properties of Luanheite

Help on RL Anisotrophism: RL Anisotrophism: Very weak.
Help on RL Color: RL Color: Milky white.
Help on RL Pleochroism: RL Pleochroism: Pinkish gray to milky white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Luanheite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 546 nm   62.40   70.50 
   
 589 nm   64.90   74.00 
Calculated Relative Intensity Colors of Luanheite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140%
R1                
R2                
 

Calculated Properties of Luanheite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=10.6 gm/cc
note: Specific Gravity of Luanheite =12.6 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PELuanheite = 809.18 barns/electron
U=PELuanheite x rElectron Density=8,576.53 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Luanheite is Not Radioactive
 

Luanheite Classification

Help on  Dana Class: Dana Class: 01.01.08.04 (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.08)Silver Amalgam Alloys
 
01.01.08.00 Amalgam* Ag2Hg3 Unk Cubic
 
01.01.08.01 Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m
 
01.01.08.02 Schachnerite Ag1.1Hg0.9 P 63/mmc 6/m 2/m 2/m
 
01.01.08.03 Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m
 
01.01.08.04 Luanheite Ag3Hg P 63/mmc 6/m 2/m 2/m
 
01.01.08.05 Eugenite Ag9Hg2 I 43m 4 3m
 
01.01.08.06 Weishanite (Au,Ag)3Hg2 P 63/mmc 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 01.AD.15b 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AD -Mercury-amalgam family
 
01.AD.15b Luanheite Ag3Hg P 63/mmc 6/m 2/m 2/m
 

Other Luanheite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.73,p192,1988) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Luanheite :
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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Print or Cut-and-Paste your Luanheite Specimen Label here :

Luanheite

Ag3Hg
Dana No: 01.01.08.04 Strunz No: 01.AD.15b
Locality:

 

Notes:

 

 
   
 


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