European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 34, issue 5
Articles | Volume 34, issue 5
https://doi.org/10.5194/ejm-34-493-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-34-493-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 34, issue 5
Research article
 | 
21 Oct 2022
Research article |  | 21 Oct 2022

Weathering of stannite–kësterite [Cu2(Fe,Zn)SnS4] and the environmental mobility of the released elements

Patrick Haase, Stefan Kiefer, Kilian Pollok, Petr Drahota, and Juraj Majzlan

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Short summary
Stannite decomposition leads to the precipitation of an amorphous and metastable Sn–Fe–As-rich phase. With ageing, goethite and cassiterite crystallize from the precursor and mark the end of the weathering cycle. Other elements are lost in the initial stage of weathering (e.g. Zn, S) or after full oxidation of the sulfidic material (e.g. Cu, Ag). Electron microprobe (EMP) and transmission electron microscopy (TEM) analyses were performed to witness the mobility of the released elements.
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