Belendorffite Mineral Data

Belendorffite Mineral Data
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General Belendorffite Information

Help on Chemical Formula: Chemical Formula: Cu7Hg6
Help on Composition: Composition: Molecular Weight = 1,648.36 gm
   Copper   26.99 %  Cu
   Mercury  73.01 %  Hg
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Cu7Hg6
Help on Environment: Environment: Dimorphous with kolymite.
Help on IMA Status: IMA Status: Approved IMA 1990
Help on Locality: Locality: Landsberg, near Obermoschel, Pfalz, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Names in 1992 for Klaus Belendorff (b.1956), German mineral collector.
Help on Name Pronunciation: Name Pronunciation: Belendorffite + Pronunciation Say BELENDORFFITE
Help on Synonym: Synonym: ICSD 56268
  IMA1989-024
  PDF 45-1474
 

Belendorffite Image

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

Comments: Small grains of belendorffite from concentrates.
Location: Moschellandsberg, Pfalz, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Belendorffite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.20965
Help on Cell Dimensions: Cell Dimensions: a = 13.36, c = 16.161, Z = 12; V = 2,498.11 Den(Calc)= 13.15
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.221(1), 2.227(1), 2.523(1),
Click Here for Large Belendorffite Structure Window Crystal Structure:

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Lindahl T , Westman S , Acta Chemica Scandinavica , 23 (1969) p.1181-1190, The structure of the rhombohedral gamma brass like phase in the copper-mercury, system, Locality: synthetic

 

Physical Properties of Belendorffite

Help on Color: Color: White, Yellow, Blackish brown.
Help on Density: Density: 13.2
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 2.5-4
Help on Luster: Luster: Metallic
Help on Streak: Streak: metallic
 

Calculated Properties of Belendorffite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=10.9 gm/cc
note: Specific Gravity of Belendorffite =13.2 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.22
Boson Index = 0.78
Help on Photoelectric: Photoelectric: PEBelendorffite =1,260.72 barns/electron
U=PEBelendorffite x rElectron Density=13738.58 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Belendorffite is Not Radioactive
 

Belendorffite Classification
Help on Dana Class: Dana Class: 01.01.09.02 (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.09)Copper Amalgam Alloys
 
01.01.09.01 Kolymite Cu7Hg6 I 43m 4 3m
 
01.01.09.02 Belendorffite Cu7Hg6 R 3m 3m
Help on Strunz Class: Strunz Class: 01.AD.10 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.10 Belendorffite Cu7Hg6 R 3m 3m
 
01.AD.10 Kolymite Cu7Hg6 I 43m 4 3m
 

Other Belendorffite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996)
Help on See Also: See Also: Links to other databases for Belendorffite :
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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Belendorffite

Cu7Hg6
Dana No: 01.01.09.02 Strunz No: 01.AD.10
Locality:

 

Notes: