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Eugenite

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Formula:
Ag11Hg2
Hardness:
2½ - 3
Crystal System:
Isometric
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.


Hide all sections | Show all sections

Classification of EugeniteHide

Approved
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 ed.:
1.1.11.5
1.1.8.5

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.15

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

Physical Properties of EugeniteHide

Hardness:
2½ - 3 on Mohs scale

Optical Data of EugeniteHide

Type:
Isotropic

Chemical Properties of EugeniteHide

Formula:
Ag11Hg2

Crystallography of EugeniteHide

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

Type Occurrence of EugeniteHide

Synonyms of EugeniteHide

Other Language Names for EugeniteHide

German:Eugenit
Spanish:Eugenita

Relationship of Eugenite to other SpeciesHide

Other Members of this group:
LuanheiteAg3HgHex.
ParaschachneriteAg3Hg2Orth.
SchachneriteAg1.1Hg0.9Hex.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Luanheite4 photos of Eugenite associated with Luanheite on mindat.org.
Nickeline2 photos of Eugenite associated with Nickeline on mindat.org.
Native Amalgam2 photos of Eugenite associated with Native Amalgam on mindat.org.
Acanthite1 photo of Eugenite associated with Acanthite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

1.AD.05MercuryHgTrig. 3m (3 2/m) : R3m
1.AD.10BelendorffiteCu7Hg6Trig.
1.AD.10KolymiteCu7Hg6Iso.
1.AD.15bLuanheiteAg3HgHex.
1.AD.15dMoschellandsbergiteAg2Hg3Iso. m3m (4/m 3 2/m)
1.AD.15aParaschachneriteAg3Hg2Orth.
1.AD.15aSchachneriteAg1.1Hg0.9Hex.
1.AD.20aWeishanite(Au,Ag)3Hg2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AD.20bGoldamalgam (of Chen et al.)(Au,Ag)HgIso. m3m (4/m 3 2/m) : Im3m
1.AD.25PotaritePdHgTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AD.30LeadamalgamPb0.7Hg0.3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm

Related Minerals - Dana Grouping (8th Ed.)Hide

1.1.8.1MoschellandsbergiteAg2Hg3Iso. m3m (4/m 3 2/m)
1.1.8.2SchachneriteAg1.1Hg0.9Hex.
1.1.8.3ParaschachneriteAg3Hg2Orth.
1.1.8.4LuanheiteAg3HgHex.
1.1.8.6Weishanite(Au,Ag)3Hg2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

1.1CopperCuIso. m3m (4/m 3 2/m) : Fm3m
1.2SilverAgIso. m3m (4/m 3 2/m) : Fm3m
1.5GoldAuIso. m3m (4/m 3 2/m) : Fm3m
1.6AuricuprideCu3AuOrth.
1.7Tetra-auricuprideAuCuTet.
1.8ZincZnHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.9CadmiumCdHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.10DanbaiteCuZn2Iso.
1.11ZhanghengiteCuZnIso.
1.12MercuryHgTrig. 3m (3 2/m) : R3m
1.13KolymiteCu7Hg6Iso.
1.14MoschellandsbergiteAg2Hg3Iso. m3m (4/m 3 2/m)
1.16SchachneriteAg1.1Hg0.9Hex.
1.17ParaschachneriteAg3Hg2Orth.
1.18LuanheiteAg3HgHex.
1.19Weishanite(Au,Ag)3Hg2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.20IndiumInTet.
1.21AluminiumAlIso. m3m (4/m 3 2/m) : Fm3m
1.22Khatyrkite(Cu,Zn)Al2Tet.
1.23Cupalite(Cu,Zn)AlOrth.
1.24DiamondCIso. m3m (4/m 3 2/m) : Fd3m
1.25GraphiteCHex. 6mm : P63mc
1.26ChaoiteCHex. 6/mmm (6/m 2/m 2/m) : P6/mmm
1.27LonsdaleiteCHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.28SiliconSi
1.29TinSnTet. 4/mmm (4/m 2/m 2/m) : I41/amd
1.30LeadPbIso. m3m (4/m 3 2/m) : Fm3m
1.31AnyuiiteAuPb2Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm
1.31NovodnepriteAuPb3Tet. 4 2m : I4 2m
1.32LeadamalgamPb0.7Hg0.3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.33ArsenicAsTrig. 3m (3 2/m) : R3m
1.34ArsenolampriteAsOrth. mmm (2/m 2/m 2/m)
1.35PaxiteCuAs2Mon.
1.36KoutekiteCu5As2Hex.
1.37DomeykiteCu3AsIso. 4 3m : I4 3d
1.38Algodonite(Cu1-xAsx)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.39NovákiteCu20AgAs10Mon.
1.40KutinaiteAg6Cu14As7 Iso.
1.41AntimonySbTrig. 3m (3 2/m) : R3m
1.42StibarsenAsSbTrig. 3m (3 2/m) : R3m
1.43ParadocrasiteSb3AsMon. 2 : B2
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
1.46Allargentum(Ag1-xSbx)Hex.
1.47AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
1.48DyscrasiteAg3SbOrth. mm2 : Pmm2
1.49BismuthBiTrig. 3m (3 2/m) : R3m
1.50MaldoniteAu2BiIso. m3m (4/m 3 2/m) : Fd3m
1.51SulphurS8Orth. mmm (2/m 2/m 2/m) : Fddd
1.52RosickýiteSMon. 2/m : P2/b
1.53SeleniumSeTrig. 3 2 : P31 2 1
1.54TelluriumTeHex.
1.55ChromiumCrIso. m3m (4/m 3 2/m) : Im3m
1.56RheniumReHex.
1.57IronFeIso. m3m (4/m 3 2/m) : Im3m
1.58ChromferideFe3Cr1-x (x=0.6)Iso. m3m (4/m 3 2/m) : Pm3m
1.59FerchromideCr3Fe1-xIso. m3m (4/m 3 2/m) : Pm3m
1.60WairauiteCoFe
1.61NickelNiIso. m3m (4/m 3 2/m) : Fm3m
1.62Kamacite(Fe,Ni)Iso.
1.63Taenite(Fe,Ni)Iso. m3m (4/m 3 2/m) : Fm3m
1.64TetrataeniteFeNiTet.
1.65AwaruiteNi3FeIso. m3m (4/m 3 2/m) : Fm3m
1.66Palladium(Pd,Pt)
1.67PotaritePdHgTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.68PaolovitePd2SnOrth.
1.69Stannopalladinite(Pd,Cu)3Sn2Hex.
1.70CabriitePd2CuSnOrth. mmm (2/m 2/m 2/m) : Pmmm
1.71Taimyrite(Pd,Cu,Pt)3SnOrth.
1.72Atokite(Pd,Pt)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.73Rustenburgite(Pt,Pd)3Sn
1.74ZvyagintsevitePd3PbIso.
1.75PlumbopalladinitePd3Pb2Hex.
1.76Osmium(Os,Ir,Ru)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.77Iridium(Ir,Os,Ru)Iso.
1.82PlatinumPtIso. m3m (4/m 3 2/m) : Fm3m
1.83HongshiitePtCuTrig.
1.84NiggliitePtSnHex.
1.85IsoferroplatinumPt3FeIso.
1.86TetraferroplatinumPtFeTet.
1.87TulameenitePt2CuFeTet.
1.88FerronickelplatinumPt2FeNiTet.
1.89Rhodium(Rh,Pt)Iso.

Other InformationHide

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

References for EugeniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 80: 845-846.
Mineralogia Polonica: 17(2): 3-13.
Baren, M.A. (1996): The Ag-Hg (Silver-Mercury) system. Journal of Phase Equilibria 17, 122–128.

Internet Links for EugeniteHide

Localities for EugeniteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Robinson Co.
      • Cobar
Leverett, P., McKinnon, A. R., & Williams, P. A. (2005). Supergene geochemistry of the Endeavor ore body, Cobar, NSW, and relationships to other deposits in the Cobar basin. Regolith 2005–Ten Years of CRC LEME, 191-194.
Austria
 
  • Tyrol
    • North Tyrol
      • Kitzbühel Alps
        • Fieberbrunn
Steiner, M., Tropper, P., Vavtar, F., Kaindl, R. & Krismer, M. (2010): Balkanite from the Cu ore deposit Röhrerbühel, Kitzbühel (N-Tyrol, Austria). N. Jb. Mineral. Abh. 187, 207-215.
Chile
 
  • Atacama Region
    • Copiapó Province
      • Pabellón
        • Elisa de Bordos
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
Germany
 
  • Rhineland-Palatinate
    • Baumholder
http://www.mineralienfreunde-der-pfalz.de/index.php?option=com_content&view=category&layout=blog&id=34&Itemid=86
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Djebel Saghro (Jbel Saghro)
        • Imiter District
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)
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
RRUFF database. XRD confirmed.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Legnica
      • Lubin District
Kucha H. 2007: Mineralogia kruszcowa i geochemia ciała rudnego złoża Lubin-Sieroszowice. Biuletyn PIG, vol. 423, pp. 77-94
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
    • Sakha Republic (Saha Republic; Yakutia)
http://www.encyclopedia.com/doc/1G1-84017545.html
Sweden
 
  • Västmanland
    • Sala
Holmgren, J. (2002): Sala silvergruva. Hälleflintan (Medlemsblad för Upplands Geologiska Sällskap), UGS, 2002:3
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
[MinRec 24:421]
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 217.
  • Michigan
    • Baraga Co.
      • Huron River
Travis Olds collection
    • Menominee Co.
Quigley, Tom, and Mahin, Bob, 2008, Back Forty Geology and Mineralization: Proceedings of the Institute on Lake Superior Geology, v. 54, Part 2 - Field Trip Guidebook, 66-85.
Mineral and/or Locality  
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