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Chillagite

Formula:
Pb[(Mo,W)O
 
4
]
Name:Named for type locality
A variety of Wulfenite

Tungsten-rich variety of wulfenite (compare also Stolzite-Wulfenite Series). It was proposed as a new mineral, but is considered a structural variant of wulfenite (unlike wulfenite, it crystallises in space group I4 due to W-Mo ordering; Jury et al., 2001). However, the ordering has been convincingly questioned later on.

Originally described from Christmas Gift Mine, Chillagoe, Chillagoe-Herberton District, Queensland, Australia.

Classification of Chillagite

IMA status:Discredited
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Chemical Properties of Chillagite

Formula:
Pb[(Mo,W)O
 
4
]
Essential elements:Mo, O, Pb
All elements listed in formula:Mo, O, Pb, W

Other Names for Chillagite

Synonyms:
Lionite (of Krantz)Lyonite
Other Languages:
German:Chillagit
Lionit
Lyonit
Spanish:Chillagita
Lyonita

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 Chillagite

Reference List:Ullman, A.T.(1912): "A new mineral", Journal and Proceedings of the Royal Society of New South Wales: 46: 186.

Smith, C.D. and Cotton, L.A. (1912), "Some crystal measurements of chillagite", Journal and Proceedings of the Royal Society of New South Wales, 46, 207-219.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1081, 1084, 1085.

Jury, C.M., P. Leverett, P.A. Williams, I.R. Plimer and D.E. Hibbs (2001), "Mineralogical note: The Status of "Chillagite", Australian Journal of Mineralogy 7, 39.

Crane, M., R.L. Frost, P.A. Williams and J.T. Klopprogge (2002), "Raman spectroscopy of the molybdate minerals chillagite (tungstenian wulfenite-I4), stolzite, scheelite, wolframite and wulfenite", Journal of Raman Spectroscopy 33, 62-66.

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    Localities for Chillagite

    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
     
    • Queensland
      • Chillagoe-Herberton District
        • Chillagoe
    Ullman, A.T. (1912):"A new mineral", Journal & Proceedings of the Royal Society of New South Wales, 46, 186; Smith, C.D. & Cotton, L.A. (1912): "Some crystal measurements of chillagite", Journal & Proceedingsof the Royal Society of NSW, 46, 207-219.
    Namibia
     
    • Otjikoto (Oshikoto) Region
    www.tsumeb.com/tsumeb/index.shtml
    Gebhard, G. (1999): Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany
    Spain
     
    • Catalonia
      • Barcelona
        • Vallès Oriental
          • Sant Fost de Campsentelles
    Jordi Fabre
    Mineral and/or Locality
    Google
     
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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: 18th Nov 2009 15:02:45