Articles | Volume 33, issue 6
Eur. J. Mineral., 33, 687–702, 2021
https://doi.org/10.5194/ejm-33-687-2021

Special issue: Mineralogy of the built environment

Eur. J. Mineral., 33, 687–702, 2021
https://doi.org/10.5194/ejm-33-687-2021
Research article
11 Nov 2021
Research article | 11 Nov 2021

Characterization and origin of the Mn-rich patinas formed on Lunéville château sandstones

Laure Gatuingt et al.

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Cited articles

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Bargar, J. R., Tebo, B. M., Bergmann, U., Webb, S. M., Glatzel, P, Chiu, V. Q., and Villalobos, M.: Biotic and abiotic products of Mn(II) oxidation by spores of the marine Bacillus sp. strain SG-1, Am. Mineral., 90, 143–154, https://doi.org/10.2138/am.2005.1557, 2005. 
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Bricker, O.: Some stability relations in the system Mn-O2-H2O at 25 C and one atmosphere total pressure, Am. Mineral., 50, 1296–1354, 1965. 
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Short summary
Dark patinas rich in manganese (Mn) developed on several sandstones of the Lunéville château (France) contrasting with the general yellow color of the building. The characterization of the Mn compounds in the patinas, but also in the building stones, allowed us to propose a model for the patina formation based on the dissolution of the Mn phases initially present in the stone bulks. The results obtained in this study might enlighten processes occurring on other buildings or in natural settings.