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Structural and chemical characterization of Tl-bearing sulphates in the Tl–Fe–S–H₂O system: insights into dorallcharite formation and thallium retention

  • Tamara Đorđević
  • , Sofija Miloš
  • , Natalie Lammer
  • , Michael Stöger-Pollach
  • , Ljiljana Karanović

Publications: Contribution to bookContribution to proceedingsPeer Reviewed

Abstract

Minerals of the jarosite-group significantly influence the mobility and fate of trace elements in acidic, sulphate-rich environments, such as those impacted by mining. However, the interactions between these minerals and the highly toxic element thallium are not well understood. In the natural Tl(I)–Fe(III)–S(VI)–H2O system, the formation of small (up to 10 µm) rhombohedral crystals of dorallcharite, a Tl-dominant member of the jarosite group, has been observed. Dorallcharite, nominally TlFe3+3(SO4)2(OH)6, is the main Tl sink in the Tl and sulphate-rich, acidic environments affected by mining, as well as in associated soils and sediments. Due to its poor crystallinity, its structural and compositional characteristics have remained only partially understood.
Original languageEnglish
Title of host publicationMINERALOGIA ‒ SPECIAL PAPERS
Subtitle of host publicationAbstracts and field trip guide, 30th Meeting of the Petrology Group of the Mineralogical Society of Poland
EditorsMagdalena PAŃCZYK, Anna JANUSZEWSKA-KACPRZAK, Katarzyna DERKOWSKA
Place of PublicationLubliniec, Poland
Pages56
Number of pages1
Volume53
Edition2025
Publication statusPublished - 2025
Event30th Meeting of the Petrology Group of the Mineralogical Society of Poland: „How Can Mineralogical Sciences Support the Mineral Resources Industry?” - Lubliniec, Poland
Duration: 16 Oct 202519 Oct 2025
https://ptmin2025.uwr.edu.pl/

Publication series

SeriesMINERALOGIA ‒ SPECIAL PAPERS
Volume53
ISSN1899-8518

Conference

Conference30th Meeting of the Petrology Group of the Mineralogical Society of Poland
Abbreviated titlePTMin 2025
Country/TerritoryPoland
CityLubliniec
Period16/10/2519/10/25
Internet address

Funding

Financial support of the Austrian Science Fund (FWF) [P 36828-N] to T. Đorđević

Austrian Fields of Science 2012

  • 105116 Mineralogy
  • 105113 Crystallography

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