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Eskimoite

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About EskimoiteHide

Formula:
Ag7Pb10Bi15S36
Hardness:
4
Specific Gravity:
7.12 (Calculated)
Crystal System:
Monoclinic
Name:
Named for the Eskimos, the first settlers of Greenland.

An eskimoite with a quadrupled b-axis (4x 4.093 A) is decribed by Ertl et al. (1994).


Classification of EskimoiteHide

Approved
2.JB.40b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
3.6.2.1

3 : SULFOSALTS
6 : 2 < ø < 2.49
5.7.26

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals

Pronounciation of EskimoiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of EskimoiteHide

Transparency:
Opaque
Hardness:
Hardness:
VHN50=162 - 223 kg/mm2 - Vickers
Density:
7.12 g/cm3 (Calculated)

Optical Data of EskimoiteHide

Type:
Anisotropic
Anisotropism:
Distinct to strong , light gray to steel bluish black
Colour in reflected light:
Galena white
Pleochroism:
Weak
Comments:
absent to weak in oil, absent in air.

Chemical Properties of EskimoiteHide

Formula:
Ag7Pb10Bi15S36
Common Impurities:
Cu

Crystallography of EskimoiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 30.194(8) Å, b = 4.100(5) Å, c = 13.495(5) Å
β = 93.35(1)°
Ratio:
a:b:c = 7.364 : 1 : 3.291
Unit Cell V:
1,667.76 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Lamellar grains.
Twinning:
On {010}, twin lamellae parallel to [001] often present
Comment:
Original description used a B-centred, non-standard cell setting (gamma = monoclinic angle).

Type Occurrence of EskimoiteHide

Synonyms of EskimoiteHide

Other Language Names for EskimoiteHide

German:Eskimoit
Spanish:Eskimoita

Relationship of Eskimoite to other SpeciesHide

Other Members of this group:
Andorite IVPb18Ag15Sb47S96Mon. 2 : P2
Andorite VIAgPbSb3S6Orth. mm2 : Pmn21
AndreadiniiteCuHgAg7Pb7Sb24S48Mon. 2/m : P21/b
ArsenquatrandoriteAg17.6Pb12.8Sb38.1As11.5S96Mon. 2/m : P21/b
AschamalmitePb6Bi2S9Mon. 2/m
Clino-oscarkempffiteAg15Pb6Sb21Bi18S72Mon. 2/m : P21/b
ErzwiesiteAg8Pb12Bi16S40Orth. mmm (2/m 2/m 2/m) : Pbcn
FizélyiteAg5Pb14Sb21S48 Mon. 2/m
GustaviteAgPbBi3S6Orth. mmm (2/m 2/m 2/m)
HeyrovskýitePb6Bi2S9Orth. mmm (2/m 2/m 2/m) : Cccm
JasrouxiteAg16Pb4(Sb24As16)S72Tric. 1 : P1
LillianitePb3-2xAgxBi2+xS6Orth. mmm (2/m 2/m 2/m)
OscarkempffiteAg10Pb4(Sb17Bi9)S48Orth. mm2
OurayiteAg3Pb4Bi5S13Orth.
OyoniteAg3Mn2Pb4Sb7As4S24Mon. 2/m
RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24Mon. 2/m
RoshchiniteAg19Pb10Sb51S96Orth.
SchirmeritePbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
StaročeskéiteAg0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6Orth. mmm (2/m 2/m 2/m) : Cmcm
TerrywallaceiteAgPb(Sb,Bi)3S6 Mon. 2/m : P21/b
TreasuriteAg7Pb6Bi15S32Mon.
UchucchacuaiteAgMnPb3Sb5S12Orth. mmm (2/m 2/m 2/m) : Pmmm
UstarasitePb(Bi,Sb)6S10 (?)
VikingiteAg5Pb8Bi13S30Mon. 2/m : B2/m
XilingolitePb3Bi2S6Mon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Pyrite4 photos of Eskimoite associated with Pyrite on mindat.org.
Quartz4 photos of Eskimoite associated with Quartz on mindat.org.
Proustite3 photos of Eskimoite associated with Proustite on mindat.org.
Gustavite2 photos of Eskimoite associated with Gustavite on mindat.org.
Cassiterite2 photos of Eskimoite associated with Cassiterite on mindat.org.
Preisingerite2 photos of Eskimoite associated with Preisingerite on mindat.org.
Aramayoite2 photos of Eskimoite associated with Aramayoite on mindat.org.
Jordanite2 photos of Eskimoite associated with Jordanite on mindat.org.
Mimetite1 photo of Eskimoite associated with Mimetite on mindat.org.
Bismutite1 photo of Eskimoite associated with Bismutite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.JB.Andorite VIAgPbSb3S6Orth. mm2 : Pmn21
2.JB.05DiaphoriteAg3Pb2Sb3S8Mon. 2/m : P21/b
2.JB.10CosalitePb2Bi2S5Orth. mmm (2/m 2/m 2/m)
2.JB.15FreieslebeniteAgPbSbS3Mon. 2/m : P21/b
2.JB.15MarriteAgPbAsS3Mon. 2/m : P21/b
2.JB.20CannizzaritePb48Bi56S132Mon. 2/m : P21/m
2.JB.20WittitePb9Bi12(S,Se)27Mon.
2.JB.25aJunoiteCu2Pb3Bi8(S,Se)16Mon. 2/m : B2/m
2.JB.25iNeyiteAg2Cu6Pb25Bi26S68Mon.
2.JB.25cNordströmiteCuPb3Bi7(Se4S10)Mon.
2.JB.25gNuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7Orth.
2.JB.25dProuditeCuPb7.5Bi9.33(S,Se)22Mon. 2/m : B2/m
2.JB.25hWeibullitePb5Bi8Se7S11Orth.
2.JB.25bFelbertaliteCu2Pb6Bi8S19Mon. 2/m : B2/m
2.JB.25jRouxeliteCu2HgPb23Sb27S65.5Mon. 2/m : B2/m
2.JB.25fÁngelaiteCu2AgPbBiS4Orth. mmm (2/m 2/m 2/m) : Pnma
2.JB.25iCuproneyiteCu7Pb27Bi25S68Mon. 2/m : B2/m
2.JB.30aGeocronitePb14(Sb,As)6S23Mon. 2/m : P21/m
2.JB.30aJordanitePb14(As,Sb)6S23Mon. 2/m : P21/m
2.JB.30bKirkiitePb10Bi3As3S19Mon. 2/m : P21/m
2.JB.30cTsugaruitePb4As2S7Orth.
2.JB.35cPillaitePb9Sb10S23ClO0.5Mon. 2/m : B2/m
2.JB.35aZinkenitePb9Sb22S42Hex. 6 : P63
2.JB.35bScainiitePb14Sb30S54O5Mon. 2/m : B2/m
2.JB.35dPellouxite(Cu,Ag)Pb10Sb12S27O(Cl,S)0.6Mon. 2/m : B2/m
2.JB.35fTubuliteAg2Pb22Sb20S53 Mon. m : Pb
2.JB.35eChovanitePb15-2xSb14+2xS36Ox (x ~ 0.2)Mon. 2/m : B2/m
2.JB.40bAschamalmitePb6Bi2S9Mon. 2/m
2.JB.40aBursaitePb5Bi4S11 (?)Orth.
2.JB.40aFizélyiteAg5Pb14Sb21S48 Mon. 2/m
2.JB.40aGustaviteAgPbBi3S6Orth. mmm (2/m 2/m 2/m)
2.JB.40aLillianitePb3-2xAgxBi2+xS6Orth. mmm (2/m 2/m 2/m)
2.JB.40cOurayiteAg3Pb4Bi5S13Orth.
2.JB.40aRamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24Mon. 2/m
2.JB.40aRoshchiniteAg19Pb10Sb51S96Orth.
2.JB.40dSchirmeritePbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
2.JB.40aTreasuriteAg7Pb6Bi15S32Mon.
2.JB.40aUchucchacuaiteAgMnPb3Sb5S12Orth. mmm (2/m 2/m 2/m) : Pmmm
2.JB.40eUstarasitePb(Bi,Sb)6S10 (?)
2.JB.40aVikingiteAg5Pb8Bi13S30Mon. 2/m : B2/m
2.JB.40aXilingolitePb3Bi2S6Mon.
2.JB.40bHeyrovskýitePb6Bi2S9Orth. mmm (2/m 2/m 2/m) : Cccm
2.JB.40UM1988-05-S:AgBiCuHgPb(Hg,Ag,Cu,Pb)5Pb5Bi11S27
2.JB.40UM1988-06-S:AgBiCuHgPb(Pb,Hg)12(Cu,Ag)3(Bi,Sb)10(S,Te)27
2.JB.40aAndorite IVPb18Ag15Sb47S96Mon. 2 : P2
2.JB.55GratonitePb9As4S15Trig. 3m : R3m
2.JB.60MarrucciiteHg3Pb16Sb18S46Mon. 2/m : B2/m
2.JB.65VurroitePb20Sn2(Bi,As)22S54Cl6Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

5.7.1SeligmannitePbCuAsS3Orth. mmm (2/m 2/m 2/m) : Pmmn
5.7.2BournonitePbCuSbS3Orth. mm2 : Pmn21
5.7.3MeneghinitePb13CuSb7S24Orth. mmm (2/m 2/m 2/m)
5.7.4GladitePbCuBi5S9Orth. mmm (2/m 2/m 2/m)
5.7.5LindströmitePb3Cu3Bi7S15Orth. mmm (2/m 2/m 2/m)
5.7.6KrupkaitePbCuBi3S6Orth.
5.7.7HammaritePb2Cu2Bi4S9Orth.
5.7.8FriedrichitePb5Cu5Bi7S18Orth. mm2
5.7.9AikinitePbCuBiS3Orth. mmm (2/m 2/m 2/m) : Pnma
5.7.10NuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7Orth.
5.7.11JaskólskiiteCuxPb2+x(Sb,Bi)2-xS5 (x ~ 0.15)Orth.
5.7.12TintinaitePb22Cu4(Sb,Bi)30S69Orth. mmm (2/m 2/m 2/m) : Pnnm
5.7.13KobellitePb22Cu4(Bi,Sb)30S69Orth. mmm (2/m 2/m 2/m) : Pnnm
5.7.14ProuditeCuPb7.5Bi9.33(S,Se)22Mon. 2/m : B2/m
5.7.15NordströmiteCuPb3Bi7(Se4S10)Mon.
5.7.16WatkinsoniteCu2PbBi4(Se,S,Te)8Mon.
5.7.17PekoitePbCuBi11(S,Se)18Orth.
5.7.18PetroviciteCu3HgPbBiSe5Orth.
5.7.19Eclarite(Cu,Fe)Pb9Bi12S28Orth. mmm (2/m 2/m 2/m) : Pnma
5.7.20MarriteAgPbAsS3Mon. 2/m : P21/b
5.7.21ArgentobaumhaueriteAg1.5Pb22As33.5S72Tric. 1 : P1
5.7.22AndoriteAgPbSb3S6Orth. mmm (2/m 2/m 2/m)
5.7.23RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24Mon. 2/m
5.7.24RoshchiniteAg19Pb10Sb51S96Orth.
5.7.25OurayiteAg3Pb4Bi5S13Orth.
5.7.27FizélyiteAg5Pb14Sb21S48 Mon. 2/m
5.7.28OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20Mon. 2/m : P21/b
5.7.29FreieslebeniteAgPbSbS3Mon. 2/m : P21/b
5.7.30DiaphoriteAg3Pb2Sb3S8Mon. 2/m : P21/b
5.7.31SterryiteCu(Ag,Cu)3Pb19(Sb,As)22(As-As)S56Mon. 2/m
5.7.32VikingiteAg5Pb8Bi13S30Mon. 2/m : B2/m
5.7.33ZoubekiteAgPb4Sb4S10Orth.
5.7.34SchirmeritePbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
5.7.36GustaviteAgPbBi3S6Orth. mmm (2/m 2/m 2/m)
5.7.37KitaibeliteAg10PbBi30S51
5.7.38TreasuriteAg7Pb6Bi15S32Mon.
5.7.39BenjaminiteAg3Bi7S12Mon. 2/m : B2/m
5.7.40Lengenbachite Ag4Cu2Pb18As12S39Tric.
5.7.41BerryiteCu3Ag2Pb3Bi7S16Mon. 2/m : P21/m
5.7.42NeyiteAg2Cu6Pb25Bi26S68Mon.
5.7.43Larosite(Cu,Ag)21PbBiS13Orth.
5.7.44CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5 Mon. 2/m : B2/m
5.7.45PadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22Mon.
5.7.46RayitePb8(Ag,Tl)2Sb8S21Mon.
5.7.47RathiteAg2Pb12-xTlx/2As18+x/2S40Mon. 2/m : P21/b
5.7.48HatchiteAgTlPbAs2S5Tric. 1 : P1

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 EskimoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Makovicky, E. and Karup-Møller, S. (1977): Chemistry and crystallography of the lillianite homologous series. II. Definition of new minerals eskimoite, vikingite, ourayite and treasurite. Redefinition of schirmerite and new data on the lillianite-gustavite solid-solution series. Neues Jahrbuch für Mineralogie, Abhandlungen: 131: 56-82.
American Mineralogist (1979): 64: 243-244.
Ertl, A., Libowitzky, E. & Pertlik, F. (1994): Chemische und röntgenographische Untersuchungen an Eskimoit (~ Ag7Pb10Bi15S36) und Heyrovskyit (~ AgPb10Bi5S18) vom "Rauriser Goldberg", Hüttwinkeltal, Land Salzburg. Mitt. Österr. Mineral. Ges., 139, 135-142.

Internet Links for EskimoiteHide

Localities for EskimoiteHide

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.
Austria
 
  • Carinthia
    • Hohe Tauern
      • Goldberg group
        • Zirknitz
          • Große Zirknitz valley
Pichler, A. (2009): Naturwissenschaftlicher Verein für Kärnten, 63. Sonderheft, 1-416
  • Salzburg
    • Hohe Tauern
      • Gastein valley
Makovicky, E., Paar, W.H., Putz, H., Zagler, G. (2010): Dantopaite, Ag5Bi13S22, the 6P natural member of the pavonite homologous series, from Erzwies, Austria. Canadian Mineralogist, 48, 467-481.
      • Rauris valley
        • Hüttwinkl valley
          • Alteck - Hoher Sonnblick area
            • Kolm-Saigurn
Ertl, A., Libowitzky, E. & Pertlik, F. (1994): Chemische und röntgenographische Untersuchungen an Eskimoit (~Ag7Pb10Bi15S36) und Heyrovskyit (~AgPb10Bi5S18) vom „Rauriser Goldberg“, Hüttwinkeltal, Land Salzburg. Mitt. Österr. Miner. Ges., 139, 135-142.
Bulgaria
 
  • Haskovo Oblast (Khaskovo Oblast)
    • Topolovgrad Obshtina
Страшимиров, С., Добрев, С., Приставова, С., & Василева, М. (2009). Рудна минерализация и петрографски особености на златосъдържащо рудопроявление Доброселец (участък Могилите), Сакарски руден район. Год. МГУ “Св. Иван Рилски, 52, 103-110.
Czech Republic
 
  • Central Bohemia Region
Pažout, R. (2017): Lillianite homologues from Kutná Hora ore district, Czech Republic: a case of large-scale Sb for Bi substitution. Journal of Geosciences, 62, 37-57.
Pazout, R., Sejkora, J., & Srein, V. (2017). Bismuth and bismuth-antimony sulphosalts from Kutna Hora vein Ag-Pb-Zn ore district, Czech Republic. Journal of GEOsciences, 62(1), 59-76.
Denmark (TL)
 
  • Greenland
    • Sermersooq
      • Arsuk Fjord
        • Ivittuut (Ivigtut)
[NJMA 131 (1977), 56]; Karup-Møller, S. (1977). Mineralogy of some Ag-(Cu)-Pb-Bi sulphide associations. Bulletin Geological Society Denmark, 26, 41-68.
France
 
  • Pays de la Loire
    • Loire-Atlantique
      • Bouguenais
        • La Roche-Ballue
Y. Moëlo et al. : "Homologues de la lillianite (gustavite, vikingite, heyrovskyite riche en Ag et Bi, ...) de l'indice à W-As-(Pb, Bi, Ag) de la Roche-Balue (Loire-Atlantique, France)", Bull. Minéral., 1987, 110, pp 43-64.
Hungary
 
  • Pest Co.
    • Börzsöny Mts
collected by Gábor Koller, WDS: Norbert Zajzon, XRD: Ferenc Kristály
Japan
 
  • Honshu Island
    • Kinki Region
      • Hyogo Prefecture
        • Asago City
          • Ikuno-cho-ono
Suzuki, Y., Nakata, M., Ohe, I. (2011) Eskimoite-like mineral from Ikuno mine, Hyougo Prefecture, Japan. Chigaku Kenkyu, 60 (1), 37-39.
Portugal
 
  • Viana do Castelo District
    • Ponte da Barca
      • São Lourenço de Touvedo
Leal Gomes, C., Azevedo, A., Lopes Nunes, J., & Dias, P. A. (2009). Phosphate fractionation in pegmatites of Pedra da Moura II claim–Ponte da Barca–Portugal. Estudos Geológicos, 19(2), 172.
  • Vila Real District
    • Boticas
      • Bobadela
Mercedes Fuertes-Fuente, Antonia Cepedal, Alexandre Lima, Armanda Dória, Maria dos Anjos Ribeiro, Alexandra Guedes (2016): The Au-bearing vein system of the Limarinho deposit (northern Portugal): Genetic constraints from Bi-chalcogenides and Bi–Pb–Ag sulfosalts, fluid inclusions and stable isotopes. Ore Geology Reviews 72, 213-231.
  • Viseu District
    • São Pedro do Sul
      • Manhouce
Pedro Alves collection
Romania
 
  • Maramureș Co.
    • Băiuț
Nigel G. Cook : "Bismuth Sulphosalts from Hydrothermal Vein Deposits of Neogen Age, N.W. Romania, Mitt. Österr. Miner. Ges. , 143, 1998 / Lecture to the Austrian Mineralogical Society, 23rd June 1997, Salzburg.
Tajikistan
 
  • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Kovalenker, V. A., Safonov, Y. G., Naumov, V. B., & Rusinov, V. L. (1997). The Epithermal Gold-Telluride Kochbulak Deposit. Geology of Ore Deposits C/C of Geologiia Rudnykh Mestorozhdenii, 39, 107-128.
USA
 
  • California
    • Inyo Co.
      • Darwin Hills
        • Darwin District
          • Darwin
Foord, E. E., & Shawe, D. R. (1989). The Pb-Bi-Ag-Cu-(Hg) Chemistry Of Galena And Some Associated Sulfosalts: A Review and Some New Data From Colorado, California And Pennsylvania. Canadian Mineralogist, 27, 363-382.
Dunning, G.E., Moelo, Yves, Roberts, A.c., & Cooper, J. F (2000)., Ag-Cu-Pb-Bi Sulfosalts New To Darwin, Inyo County, California. Occasional Web Publication of the Bay Area Mineralogists, 2000
  • Colorado
    • San Miguel Co.
      • Ouray District (Uncompahgre District)
        • Telluride
Minerals of Colorado (1997) Eckel, E. B.; Foord, E. E., & Shawe, D. R. (1989). The Pb-Bi-Ag-Cu-(Hg) Chemistry Of Galena And Some Associated Sulfosalts: A Reviewand Some New Data From Colorado, California And Pennsylvania. Canadian Mineralogist, 27, 363-382.
    • Summit Co.
      • Montezuma Area
Minerals of Colorado (1997) Eckel, E. B.
  • Montana
    • Flathead Co.
      • Hog Heaven District (Flathead District)
        • Kofford Ridge
www.cannonmicroprobe.com/Mineral_Specimens.htm
  • Nevada
    • Nye Co.
      • Toquima Range
NBMG Spec. Pub. 31 Minerals of Nevada
Mineral and/or Locality  
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