Articles | Volume 34, issue 5
Eur. J. Mineral., 34, 493–506, 2022
https://doi.org/10.5194/ejm-34-493-2022
Eur. J. Mineral., 34, 493–506, 2022
https://doi.org/10.5194/ejm-34-493-2022
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 et al.

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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.