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Willyamite

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Consols Mine, Broken Hill, Yancowinna Co., New South Wales, Australia
© Knut Eldjarn

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


Cobaltite Group. Ullmannite-Willyamite Series.

Classification of Willyamite

IMA status:Approved
Strunz 8th edition ID:2/D.18-30
Nickel-Strunz 10th (pending) edition ID: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.
Dana 8th edition ID:2.12.3.4

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
Hey's CIM Ref.: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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Type Occurrence of Willyamite

Type Locality:Consols Mine, Broken Hill, Yancowinna Co., New South Wales, Australia
Place of Conservation of Type Material:Smithsonian R849
Year of Discovery:1893

Occurrences of Willyamite

Geological Setting:Calcite - siderite veins.

Physical Properties of Willyamite

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

Crystallography of Willyamite

Cell Parameters:a = 5.86Å
Unit Cell Volume:V 0.00 ų (Calculated from Unit Cell)
Z:4
Morphology:Zoned crystals to several mm.

Chemical Properties of Willyamite

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

Relationship of Willyamite to other Species

Series:Forms a series with Ullmannite (see here)
Common Associates:
DyscrasiteSideriteCalcite
Related Minerals - Nickel-Strunz Grouping):

- +
2.EB.05aAurostibite
AuSb
 
2
2.EB.05bBambollaite
Cu(Se,Te)
 
2
2.EB.05aCattierite
CoS
 
2
2.EB.05aErlichmanite
OsS
 
2
2.EB.05aFukuchilite
Cu
 
3
FeS
 
8
2.EB.05aGeversite
PtSb
 
2
2.EB.05aHauerite
MnS
 
2
2.EB.05aInsizwaite
Pt(Bi,Sb)
 
2
2.EB.05aKrut'aite
CuSe
 
2
2.EB.05aLaurite
RuS
 
2
2.EB.05aPenroseite
(Ni,Co,Cu)Se
 
2
2.EB.05aPyrite
FeS
 
2
2.EB.05aSperrylite
PtAs
 
2
2.EB.05aTrogtalite
CoSe
 
2
2.EB.05aVaesite
NiS
 
2
2.EB.05aVillamanínite
(Cu,Ni,Co,Fe)S
 
2
2.EB.05aDzharkenite
FeSe
 
2
2.EB.05aGaotaiite
Ir
 
3
Te
 
8
2.EB.10bAlloclasite
(Co
 
0.65
Fe
 
0.35
)AsS - CoAsS
2.EB.10dCostibite
CoSbS
2.EB.10aFerroselite
FeSe
 
2
2.EB.10aFrohbergite
FeTe
 
2
2.EB.10cGlaucodot
(Co
 
0.50
Fe
 
0.50
)AsS
2.EB.10aKullerudite
NiSe
 
2
2.EB.10aMarcasite
FeS
 
2
2.EB.10aMattagamite
CoTe
 
2
2.EB.10eParacostibite
CoSbS
2.EB.10ePararammelsbergite
NiAs
 
2
2.EB.10fOenite
CoSbAs
2.EB.15aAnduoite
(Ru,Os)As
 
2
2.EB.15aClinosafflorite
(Co,Fe,Ni)As
 
2
2.EB.15aLöllingite
FeAs
 
2
2.EB.15aNisbite
NiSb
 
2
2.EB.15aOmeiite
(Os,Ru)As
 
2
2.EB.15cPaxite
CuAs
 
2
2.EB.15aRammelsbergite
NiAs
 
2
2.EB.15aSafflorite
(Co,Fe,Ni)As
 
2
2.EB.15bSeinäjokite
(Fe,Ni)(Sb,As)
 
2
2.EB.20Arsenopyrite
FeAsS - (Fe
 
0.90
Co
 
0.10
)AsS
2.EB.20Gudmundite
FeSbS
2.EB.20Osarsite
(Os,Ru)AsS
2.EB.20Ruarsite
(Ru,Os)AsS
2.EB.25Cobaltite
CoAsS
2.EB.25Gersdorffite
NiAsS
2.EB.25Hollingworthite
(Rh,Pt,Pd)AsS
2.EB.25Irarsite
(Ir,Ru,Rh,Pt)AsS
2.EB.25Jolliffeite
NiAsSe
2.EB.25Krutovite
NiAs
 
2
2.EB.25Maslovite
PtBiTe
2.EB.25Michenerite
PdBiTe
2.EB.25Padmaite
PdBiSe
2.EB.25Platarsite
(Pt,Rh,Ru)AsS
2.EB.25Testibiopalladite
PdTe(Sb,Te)
2.EB.25Tolovkite
IrSbS
2.EB.25Ullmannite
NiSbS
2.EB.25Changchengite
IrBiS
2.EB.25Mayingite
IrBiTe
2.EB.25Hollingsworthite
2.EB.25Kalungaite
PdAsSe
2.EB.25Milotaite
PdSbSe
2.EB.30Urvantsevite
Pd(Bi,Pb)
 
2
2.EB.35Rheniite
ReS
 
2
Related Minerals - Hey's Index Grouping:

- +
3.11.1Heazlewoodite
Ni
 
3
S
 
2
3.11.2Godlevskite
(Ni,Fe)
 
9
S
 
8
3.11.3Millerite
NiS
3.11.4Polydymite
Ni
2+
 
Ni
3+
2
S
 
4
3.11.5Vaesite
NiS
 
2
3.11.6Shandite
Ni
 
3
Pb
 
2
S
 
2
3.11.7Donharrisite
Ni
 
8
Hg
 
3
S
 
9
3.11.8Violarite
Fe
2+
 
Ni
3+
2
S
 
4
3.11.9Pentlandite
(Fe,Ni)
 
9
S
 
8
3.11.10Bravoite
(Fe,Ni)S
 
2
3.11.11Siegenite
from CoNi
 
2
S
 
4
 to NiCo
 
2
S
 
4
3.11.12Fletcherite
Cu(Ni,Co)
 
2
S
 
4
3.11.13Villamanínite
(Cu,Ni,Co,Fe)S
 
2
3.11.14Mäkinenite
γ-NiSe
3.11.15Sederholmite
NiSe beta-NiSe
3.11.16Trüstedtite
Ni
 
3
Se
 
4
3.11.17Wilkmanite
Ni
 
3
Se
 
4
3.11.18Kullerudite
NiSe
 
2
3.11.19Penroseite
(Ni,Co,Cu)Se
 
2
3.11.20Tyrrellite
Cu(Co
3+
 
,Ni
3+
 
)
 
2
Se
 
4
3.11.21Imgreite
NiTe (?)
3.11.22Melonite
NiTe
 
2
3.11.23Kitkaite
NiTeSe
3.11.24Dienerite
3.11.25Orcelite
Ni
 
5-x
As
 
2
3.11.26Maucherite
Ni
 
11
As
 
8
3.11.27Nickeline
NiAs
3.11.28Rammelsbergite
NiAs
 
2
3.11.29Pararammelsbergite
NiAs
 
2
3.11.30Nickelskutterudite
NiAs
 
2-3
3.11.31Oregonite
Ni
 
2
FeAs
 
2
3.11.32Westerveldite
(Fe,Ni,Co)As
3.11.33Langisite
(Co,Ni)As
3.11.34Gersdorffite
NiAsS
3.11.35Jolliffeite
NiAsSe
3.11.36Breithauptite
NiSb
3.11.38Ullmannite
NiSbS

Other Names for Willyamite

Other Languages:
German:Antimonnickelkobaltglanz
Willyamit
Russian:Виллиамит
Spanish:Willyamita

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 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

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  • Raman and XRD data at RRUFF project
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  • Willyamite details from Handbook of Mineralogy (PDF)
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    Localities for Willyamite

    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.
    Australia
     
    • New South Wales
      • Yancowinna Co.
        • Broken Hill
    		Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
    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.
    Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
    • Queensland
    		No reference listed
    China
     
    • Shaanxi Province
      • Baoji Prefecture
        • Taibai Co.
          • Western Qinling gold belt
    		Jingwen Mao, Yumin Qiu, Goldfarb, R.J., Zhaochong Zhang, Garwin, S., and Ren Fengshou (2002): Mineralium Deposita 37(3/4), 352-377.
    Italy
     
    • Sardinia
      • Sassari Province
        • Porto Torres
    		AA.VV., 1996. Collezionare minerali. Hobby & Work.
    Kazakhstan
     
    • Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] 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
      • Vegårdshei (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
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    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
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    Sweden
     
    • Hälsingland
      • Ljusdal
    		No reference listed
    • Södermanland
      • Nyköping
        • Tunaberg
    		Canadian Mineralogist 29:199 -205
    • Västmanland
      • Lindesberg
    		No reference listed
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 3rd Nov 2009 22:52:36