Mineralogy Database

Moschellandsbergite Mineral Data

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General Moschellandsbergite Information

Help on Chemical  Formula: Chemical Formula: Ag2Hg3
Help on Composition: Composition: Molecular Weight = 817.51 gm
   Silver   26.39 %  Ag
   Mercury  73.61 %  Hg
           100.00 % 
Help on Empirical Formula: Empirical Formula: Ag2Hg3
Help on Environment: Environment: Probably of low-temperature hydrothermal origin.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1938
Help on Locality: Locality: Landsberg (Moschellandsberg), near Obermoschel, Rheinland-Palatinate, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Moschellandsbergite + Pronunciation Say MOSCHELLANDSBERGITE
Help on Synonym: Synonym: ICSD 2720
  PDF Nov-67

Moschellandsbergite Image

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Comments: Gray metallic dendritic moschellandsbergite aggregate.
Location: Moschellandsberg, Rheinland-Pfalz, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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Comments: Moschellandsbergite 4mm crystal on matrix.
Location: Carolina Mine, Moschellandsberg, Obermoschel, Rhineland-Palatinate, Germany. Scale: Specimen Size 6.0 x 4.8 x 4.0 cm.
© Rob Lavinsky

Moschellandsbergite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.06, Z = 10; V = 1,018.11 Den(Calc)= 13.33
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.36(1), 1.365(0.7), 1.236(0.6),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 1) ( 1 1 2) ( 1 0 0) ( 0 1 1)

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Physical Properties of Moschellandsbergite

Help on Cleavage: Cleavage: {011} Distinct, {001} Distinct
Help on Color: Color: Silver white.
Help on Density: Density: 13.48 - 13.71, Average = 13.59
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: metallic

Optical Properties of Moschellandsbergite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Moschellandsbergite in Air
λ R  ∑ R(λ) 
 400 nm   60.70   
 420 nm   62.80 
 440 nm   64.90 
 460 nm   66.90 
 480 nm   68.80 
 500 nm   70.70 
 520 nm   72.40 
 540 nm   74.10 
 560 nm   75.80 
 580 nm   77.30 
 600 nm   79.00 
 620 nm   80.50 
 640 nm   82.00 
 660 nm   83.40 
 680 nm   84.80 
 700 nm   86.10 
Calculated Relative Intensity Colors of Moschellandsbergite in Air
   0%   20%   40%   60%   80% 100% 120% 140%

Calculated Properties of Moschellandsbergite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=10.9 gm/cc
note: Specific Gravity of Moschellandsbergite =13.3 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.22
Boson Index = 0.78
Help on Photoelectric: Photoelectric: PEMoschellandsbergite =1,348.65 barns/electron
U=PEMoschellandsbergite x rElectron Density=14689.80 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Moschellandsbergite is Not Radioactive

Moschellandsbergite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.08)Silver Amalgam Alloys Amalgam* Ag2Hg3 Unk Cubic Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m Schachnerite Ag1.1Hg0.9 P 63/mmc 6/m 2/m 2/m Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m Luanheite Ag3Hg P 63/mmc 6/m 2/m 2/m Eugenite Ag9Hg2 I 43m 4 3m Weishanite (Au,Ag)3Hg2 P 63/mmc 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 01.AD.15d 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.15d Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m

Other Moschellandsbergite 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 Moschellandsbergite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
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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Dana No: Strunz No: 01.AD.15d





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