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Willyamite

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Formula:
(Co,Ni)SbS
Colour:
Tin-white, steel-gray
Hardness:
5 - 5½
Member of:
Name:
For the type locality, Willyama Township, New South Wales, Australia.

Classification of Willyamite

Approved
2.EB.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
2.12.3.4

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.11.39

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
11 : Sulphides etc. of Ni
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First Recorded Occurrence of Willyamite

Place of Conservation of First Recorded Material:
Smithsonian R849
Year of Discovery:
1893

Occurrences of Willyamite

Geological Setting:
Calcite - siderite veins.

Physical Properties of Willyamite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Tin-white, steel-gray
Hardness (Mohs):
5 - 5½
Comment:
Slightly harder than ullmannite.
Tenacity:
Brittle
Fracture:
Irregular/Uneven
Density:
6.76(3) g/cm3 (Measured)    

Crystallography of Willyamite

Cell Parameters:
a = 5.86Å
Z:
4
Morphology:
Zoned crystals to several mm.

Chemical Properties of Willyamite

Formula:
(Co,Ni)SbS
Essential elements:
All elements listed in formula:
Common Impurities:
Fe,As

Relationship of Willyamite to other Species

Series:
Forms a series with Ullmannite (see here)
Member of:
Other Members of Group:
Common Associates:
2.EB.05aAurostibiteAuSb2
2.EB.05bBambollaiteCu(Se,Te)2
2.EB.05aCattieriteCoS2
2.EB.05aErlichmaniteOsS2
2.EB.05aFukuchiliteCu3FeS8
2.EB.05aGeversitePtSb2
2.EB.05aHaueriteMnS2
2.EB.05aInsizwaitePt(Bi,Sb)2
2.EB.05aKrut'aiteCuSe2
2.EB.05aLauriteRuS2
2.EB.05aPenroseite(Ni,Co,Cu)Se2
2.EB.05aPyriteFeS2
2.EB.05aSperrylitePtAs2
2.EB.05aTrogtaliteCoSe2
2.EB.05aVaesiteNiS2
2.EB.05aVillamaninite(Cu,Ni,Co,Fe)S2
2.EB.05aDzharkeniteFeSe2
2.EB.05aGaotaiiteIr3Te8
2.EB.10bAlloclasiteCo1-xFexAsS
2.EB.10dCostibiteCoSbS
2.EB.10aFerroseliteFeSe2
2.EB.10aFrohbergiteFeTe2
2.EB.10cGlaucodot(Co0.50Fe0.50)AsS
2.EB.10aKulleruditeNiSe2
2.EB.10aMarcasiteFeS2
2.EB.10aMattagamiteCoTe2
2.EB.10eParacostibiteCoSbS
2.EB.10ePararammelsbergiteNiAs2
2.EB.10fOeniteCoSbAs
2.EB.15aAnduoite(Ru,Os)As2
2.EB.15aClinosaffloriteCoAs2
2.EB.15aLöllingiteFeAs2
2.EB.15aNisbiteNiSb2
2.EB.15aOmeiite(Os,Ru)As2
2.EB.15cPaxiteCuAs2
2.EB.15aRammelsbergiteNiAs2
2.EB.15aSafflorite(Co,Ni,Fe)As2
2.EB.15bSeinäjokite(Fe,Ni)(Sb,As)2
2.EB.20ArsenopyriteFeAsS
2.EB.20GudmunditeFeSbS
2.EB.20Osarsite(Os,Ru)AsS
2.EB.20Ruarsite(Ru,Os)AsS
2.EB.25CobaltiteCoAsS
2.EB.25GersdorffiteNiAsS
2.EB.25Hollingworthite(Rh,Pt,Pd)AsS
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsS
2.EB.25JolliffeiteNiAsSe
2.EB.25KrutoviteNiAs2
2.EB.25MaslovitePtBiTe
2.EB.25MicheneritePdBiTe
2.EB.25PadmaitePdBiSe
2.EB.25PlatarsitePtAsS
2.EB.25TestibiopalladitePdTe(Sb,Te)
2.EB.25TolovkiteIrSbS
2.EB.25UllmanniteNiSbS
2.EB.25ChangchengiteIrBiS
2.EB.25MayingiteIrBiTe
2.EB.25Hollingsworthite
2.EB.25KalungaitePdAsSe
2.EB.25MilotaitePdSbSe
2.EB.30UrvantsevitePd(Bi,Pb)2
2.EB.35RheniiteReS2
3.11.1HeazlewooditeNi3S2
3.11.2Godlevskite(Ni,Fe)9S8
3.11.3MilleriteNiS
3.11.4PolydymiteNi2+Ni23+S4
3.11.5VaesiteNiS2
3.11.6ShanditeNi3Pb2S2
3.11.7DonharrisiteNi8Hg3S9
3.11.8ViolariteFe2+Ni23+S4
3.11.9Pentlandite(Fe,Ni)9S8
3.11.10Bravoite(Fe,Ni)S2
3.11.11SiegeniteCoNi2S4
3.11.12FletcheriteCu(Ni,Co)2S4
3.11.13Villamaninite(Cu,Ni,Co,Fe)S2
3.11.14Mäkineniteγ-NiSe
3.11.15Sederholmitebeta-NiSe
3.11.16TrüstedtiteNi3Se4
3.11.17WilkmaniteNi3Se4
3.11.18KulleruditeNiSe2
3.11.19Penroseite(Ni,Co,Cu)Se2
3.11.20TyrrelliteCu(Co3+,Ni3+)2Se4
3.11.21ImgreiteNiTe (?)
3.11.22MeloniteNiTe2
3.11.23KitkaiteNiTeSe
3.11.24Dienerite
3.11.25OrceliteNi5-xAs2, x ~ 0.25
3.11.26MaucheriteNi11As8
3.11.27NickelineNiAs
3.11.28RammelsbergiteNiAs2
3.11.29PararammelsbergiteNiAs2
3.11.30NickelskutteruditeNiAs3-x
3.11.31OregoniteNi2FeAs2
3.11.32Westerveldite(Fe,Ni,Co)As
3.11.33Langisite(Co,Ni)As
3.11.34GersdorffiteNiAsS
3.11.35JolliffeiteNiAsSe
3.11.36BreithauptiteNiSb
3.11.38UllmanniteNiSbS

Other Names for Willyamite

Name in Other Languages:

Other Information

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 Willyamite

Reference List:
Proceedings of the Royal Society of New South Wales (1893): 27: 366-375.

American Mineralogist (1971): 56: 361.

Proceedings of the Australasian Institute of Mining and Metallurgy: 233: 95-100.

Canadian Mineralogist (1986): 24: 27.

Internet Links for Willyamite

Localities for Willyamite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill
Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Pittman (1893); Am.Min.:56:361 (1971)(abstract); Rocks & Min.:62:224-225.; L.Lawrence, A.R.Ramsden & I.T.Graham 1999. On oxidation of Dyscrasite and associated minerals of the Consols Lode, Broken Hill, New South Wales. Australian Journal of Mineralogy Vol.5, No.2, Dec.1999, pp. 63-68
Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
  • Queensland
No reference listed
      • Mount Isa district
Sielecki, R. (1988) The Mount Isa-Cloncurry mineral field. Mineralogical Record, Vol. 19, pg. 469-490.
China
 
  • Shaanxi Province
    • Baoji Prefecture
      • Taibai Co.
Jingwen Mao, Yumin Qiu, Goldfarb, R.J., Zhaochong Zhang, Garwin, S., and Ren Fengshou (2002): Mineralium Deposita 37(3/4), 352-377.
Finland
 
  • Eastern Finland Region
    • Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field
Weiser, T.W., Kojonen, K.K. and Lodziak, J. (2008): New data of eskolaite, Zn-bearing chromite, willyamite and ullmannite from the Outokumpu mine, eastern Finland. Bulletin of the Geological Society of Finland, 80, 5–18. [http://www.geologinenseura.fi/bulletin/Volume80/Weiser.pdf]
  • Southwestern Finland Region
    • Somero
Eilu, P. (2003). Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003. Rovaniemi, Finland
Italy
 
  • Sardinia
    • Sassari Province
      • Porto Torres
AA.VV., 1996. Collezionare minerali. Hobby & Work.
  • Veneto
    • Belluno Province
      • Auronzo di Cadore
Ara, D., Sanna, L., Rossi, A., Galli, E., & De Waele, J. (2013). Minerali secondari in ambiente sotterraneo: la miniera dell’Argentiera (Sardegna nord-occidentale).
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Kalba Range
Kovalev, K.R., Kalinin, Y.A., Naumov, E.A., Pirajno, F., and Borisenko, A.S. (2009): Ore Geology Reviews 35, 186-205.
Norway
 
  • Aust-Agder
    • Vegårshei
Naik, M. S.; Griffin, W.L. & Cabri, L. J. (1976): Contribution to the mineralogy of Norway No. 62: (Co,Ni)SbS phases and argentian boulangerite in galena from Espeland, Norway. Norsk Geologisk Tidsskrift 56: 449-454
Russia
 
  • Far-Eastern Region
    • Magadanskaya Oblast'
      • Kolyma River Basin
        • Ducat District
          • Omsukchan
            • Ducat ore field
Bryzgalov, I. A., Krivitskaya, N. N., & Spiridonov, E. M. (2007, November). First finding of nisbite and aurostibite in the eastern Transbaikal region. In Doklady Earth Sciences (Vol. 417, No. 1, pp. 1265-1267). MAIK Nauka/Interperiodica.
Slovakia
 
  • Banská Bystrica Region
    • Poltár Co.
Maťo,Ľ., Maťová, 1994: Mineralizácia v okolí Ozdína, výskyt zlata s obsahom Sb-Ni v tmavých bridliciach, JZ časti veporského kryštalinika (stredné Slovensko). Min.Slovaca, 26,1,30 – 37
    • Rimavská Sobota Co.
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
Ragan M., 1989: Mineralogická, geochemická a paragenetická charakteristika sulfidickej mineralizácie v oblasti Hnúšte (veporikum). Manuscript, Archive ŠGÚDŠ, Bratislava, 199 p. (in Slovak)
  • Košice Region
    • Rožňava Co.
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
Sweden
 
  • Hälsingland
    • Ljusdal
Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
  • Södermanland
    • Nyköping
      • Tunaberg
Dobbe, R. T. M. (1991): Ullmannite, cobaltian ullmannite and willyamite from Tunaberg, Bergslagen, central Sweden, The Canadian Mineralogist. 29, 199-205
  • Västmanland
    • Lindesberg
No reference listed
Tanzania
 
  • Tabora Region
    • Lake Victoria Goldfield
      • Nzega District
Vos, I.M.A. et al. (2009): The geology and mineralization at the Golden Pride gold deposit, Nzega Greenstone Belt, Tanzania. Mineralium Deposita 44, 751-764.
Mineral and/or Locality  
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