Articles | Volume 34, issue 3
https://doi.org/10.5194/ejm-34-321-2022
https://doi.org/10.5194/ejm-34-321-2022
Letter
 | 
24 May 2022
Letter |  | 24 May 2022

Arrojadite-group nomenclature: sigismundite reinstated

Frank de Wit and Stuart J. Mills

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Cited articles

Brugnatelli, S. C. L.: Sopra un nuovo minerale delle cave d'Amianto della Valle Lanterna, Rendiconti Reale Istituto Lombardo di Scienze e Lettere (Milano), 35, 869–874, 1902. 
Brush, G. and Dana, E.: On a new and remarkable mineral locality in Fairfield County, Connecticut; with a description of several new species occurring there, American Journal of Science and Arts, 116, 33–46, 114–123, 1878. 
Cámara, F., Oberti, R., Chopin, C., and Medenbach, O.: The arrojadite enigma I. A new formula and a new model for the arrojadite structure, Am. Mineral., 91, 1249–1259, 2006. 
Chopin, C., Oberti, R., and Cámara, F.: The arrojadite enigma II. Compositional space, new members, and nomenclature of the group, Am. Mineral., 91, 1260–1270, 2006. 
Costa, A.: Ricordo di Pietro Sigismund: le sue Collezioni mineralogiche, Periodici dell'Istituto Valtellinese di Mineralogia, 1, 4–6, 2008. 
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Short summary
The name sigismundite has been reinstated for what was previously arrojadite-(BaFe). Sigismundite honours Pietro Sigismund (1874–1962), and this paper outlines his significant contributions to Italian mineralogy.
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