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Belendorffite

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Formula:
Cu
 
7
Hg
 
6
System:TrigonalHardness:2½ - 4
Name:
For Klaus Belendorff, who discovered the mineral.
Dimorph of:Kolymite
This page provides mineralogical data about Belendorffite.

Classification of Belendorffite

IMA status:Approved
Strunz 8th edition ID:1/A.02-22
Nickel-Strunz 10th (pending) edition ID:1.AD.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
D : Mercury-amalgam family
Dana 7th edition ID:1.1.13.2
Dana 8th edition ID:1.1.9.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
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Type Occurrence of Belendorffite

Type Locality:Landsberg Mt. (Moschellandsberg Mt.), Obermoschel, Rhineland-Palatinate, Germany
Year of Discovery:1992

Physical Properties of Belendorffite

Hardness (Mohs):2½ - 4

Crystallography of Belendorffite

Crystal System:Trigonal

Chemical Properties of Belendorffite

Formula:
Cu
 
7
Hg
 
6
Essential elements:Cu, Hg
All elements listed in formula:Cu, Hg

Relationship of Belendorffite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AD.05Mercury
Hg
1.AD.10Kolymite
Cu
 
7
Hg
 
6
1.AD.15cEugenite
Ag
 
11
Hg
 
2
1.AD.15bLuanheite
Ag
 
3
Hg
1.AD.15dMoschellandsbergite
Ag
 
2
Hg
 
3
1.AD.15aParaschachnerite
Ag
 
3
Hg
 
2
1.AD.15aSchachnerite
Ag
 
1.1
Hg
 
0.9
1.AD.20aWeishanite
(Au,Ag)
 
3
Hg
 
2
1.AD.20bGoldamalgam
(Au,Ag)Hg
1.AD.25Potarite
PdHg
1.AD.30Leadamalgam
HgPb
 
2
Related Minerals - Dana Grouping):

- +
1.1.13.1Kolymite
Cu
 
7
Hg
 
6

Other Names for Belendorffite

Synonyms:
IMA1989-024
Other Languages:
German:Belendorffit
Spanish:Belendorffita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Belendorffite

Reference List:

- +
Bernhardt, H.-J. and K. Schmetzer (1992): Belendorffite, a new copper amalgam dimorphous with kolymite. Neues Jahrbuch für Mineralogie, Monatshefte, 1992, 21–28.

New Mins. (1997), New Minerals 1990-1994.

Lindahl, T. and S. Westman (1969) The structure of the rhombohedral gamma brass like phase in the copper-mercury system. Acta Chem. Scand., 23, 1181–1190.

Internet Links for Belendorffite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Belendorffite details from Handbook of Mineralogy (PDF)
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  • Localities for Belendorffite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Germany
     
    • Rhineland-Palatinate
      • Obermoschel
    American Mineralogist, Volume 77, pages 1305-1309, 1992
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Rudabányai Mts.
        • Rudabánya
    www.minerals- of-the- carpathians.eu (Editor:Szakáll)
    GEODA 2010/1; Kupi, L., Szakáll, S., Zajzon, N., Kristály, F. & Fehér, B. (2010): Copper-amalgams from the Rudabánya base metal mineralization, NE Hungary. 20th General Meeting of the IMA (IMA2010), Budapest, Hungary, August 21-27, CD of Abstracts, p. 430.
    Peter Kolesar / Rolf Luetcke specimen
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