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Eugenite

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Copiapó Province, Atacama Region, Chile
© Thomas Witzke

Show Eugenite Photos (2)
Formula:
Ag
 
11
Hg
 
2
System:IsometricHardness:2½ - 3
Name:For Professor Eugen Friedrich Stumpfl (1931 – 2004), Austrian mineralogist, Mining University, Leoben, Austria, for his studies of noble metal compounds.
This page provides mineralogical data about Eugenite.

Classification of Eugenite

IMA status:Approved
Strunz 8th edition ID:1/A.02-28
Nickel-Strunz 10th (pending) edition ID:1.AD.15c

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:1.1.11.5
Dana 8th edition ID:1.1.8.5

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
Hey's CIM Ref.:1.15

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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Type Occurrence of Eugenite

Type Locality:Sieroszowice Mine, Polkowice District, Legnica, Lower Silesia (Dolnośląskie), Poland
Year of Discovery:1986

Physical Properties of Eugenite

Hardness (Mohs):2½ - 3

Crystallography of Eugenite

Crystal System:Isometric
Cell Parameters:a = 10.02Å
Unit Cell Volume:V 1,006.01 ų (Calculated from Unit Cell)

Optical Data of Eugenite

Type:Isotropic

Chemical Properties of Eugenite

Formula:
Ag
 
11
Hg
 
2
Essential elements:Ag, Hg
All elements listed in formula:Ag, Hg

Relationship of Eugenite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AD.05Mercury
Hg
1.AD.10Belendorffite
Cu
 
7
Hg
 
6
1.AD.10Kolymite
Cu
 
7
Hg
 
6
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 - Hey's Index Grouping:

- +
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.7Tetra-auricupride
AuCu
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.28Silicon
Si
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
HgPb
 
2
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.37Domeykite
Cu
 
3
As
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.39Novakite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.58Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.62Kamacite
(Fe,Ni)
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
SnCu
1.71Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pd
 
3
Pb
 
2
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)
Related Minerals - Dana Grouping):

- +
1.1.11.1Moschellandsbergite
Ag
 
2
Hg
 
3
1.1.11.2Schachnerite
Ag
 
1.1
Hg
 
0.9
1.1.11.3Paraschachnerite
Ag
 
3
Hg
 
2
1.1.11.4Luanheite
Ag
 
3
Hg

Other Names for Eugenite

Synonyms:
IMA1981-037
Other Languages:
German:Eugenit
Spanish:Eugenita

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 Eugenite

Reference List:American Mineralogist: 80: 845-846.

Mineralogia Polonica: 17(2): 3-13.

Internet Links for Eugenite

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

    Hide Locality List
    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.
    Chile
     
    • Atacama Region
        • Pabellón
    		The Stratabound Tuff-hosted Elisa de Bordos Silver-Mercury Deposit, Northern Chile; M. Jurgeit & L. Fontbote, in Stratabound Ore Deposits in the Andes, L Fontbote, G.C. Amstutz, M. Cardozo, E. Cedillo, J. Frutos (Editors), Springer-Verlag, Berlin Heidelbe
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Boumalne-Dadès
    		Barral, J.-P., Favreau, G. and Lheur, C. (2008). La mine d'argent d'Imiter (Maroc) - Géologie, histoire exploitation et description des espèces minérales. Le Cahier des Micromonteurs 3/2008, 1-110. (in French)
        • Tazenakht
    		S. Weiß: Lapis 31(7/8), 72-73 (2006)
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Legnica
        • Lubin District
          • Lubin
    		Piestrzyński A., Tylka W. 1992: Silver amalgams from the Sieroszowice copper mine, Lubin-Sieroszowice district, SW Poland. Mineralogia Polonica, vol. 23, no 1
        • Polkowice District
    		Mineral. Polonica: 23(1):17-24.
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
    		http://www.encyclopedia.com/doc/1G1-84017545.html
    Sweden
     
    • Västmanland
      • Sala
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    		[MinRec 24:421]
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 217.
    Mineral and/or Locality
    Google
     
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