THE BLUE ENAMELS IN THE BAROQUE DECORATIONSOF THE CHURCHES OF PALERMO, SICILY:FE2+ COLOURED GLASSES FROM LIME KILNS

Giuseppe Montana, Nicola, Artioli, Nodari, Russo, Angelini

Risultato della ricerca: Articlepeer review

5 Citazioni (Scopus)

Abstract

Deep blue glasses coloured by octahedral Fe2+ cations are often reported as textbookexamples of blue pigmentation. However, despite the possibility of laboratory synthesis under reducing conditions, to date there are no well-reported occurrences of their production and use in the past. A thorough historical, ethnographic, mineralogical, and chemico-physical investigation of the ‘smaltini di calcara’ from several baroque churches in Palermo, Sicily, has revealed that the blue enamels widely used for altar decorations in the17th and 18th centuries are actually a unique case of ancient blue glasses pigmented by divalent iron cations in distorted octahedral coordination. This mixed-alkali glass was accidentally produced under severely reducing conditions in the local kilns during production of lime.
Lingua originaleEnglish
pagine (da-a)197-213
Numero di pagine17
RivistaArchaeometry
Volume51/2
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.3300.3302???

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