Articles | Volume 33, issue 4
https://doi.org/10.5194/ejm-33-357-2021
https://doi.org/10.5194/ejm-33-357-2021
Research article
 | 
02 Jul 2021
Research article |  | 02 Jul 2021

Chapmanite [Fe2Sb(Si2O5)O3(OH)]: thermodynamic properties and formation in low-temperature environments

Juraj Majzlan, Stefan Kiefer, Kristina Lilova, Tamilarasan Subramani, Alexandra Navrotsky, Edgar Dachs, and Artur Benisek

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Short summary
Chapmanite is a seemingly rare mineral, a silicate of the elements iron and antimony. In this work, we evaluated how stable and how soluble this mineral is. The goal was to determine if this mineral can store the toxic element antimony. Our results show that it is possible, but its formation in nature is hindered and slow. Yet, in some special environments, it could store and keep antimony over longer time.
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