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- Title
Production of gold and ruby-red lustres in Gubbio (Umbria, Italy) during the Renaissance period.
- Authors
Padeletti, G.; Fermo, P.
- Abstract
The aim of this work is to gain a further insight into the knowledge of the production process of lustre-decorated ancient majolicas. Lustre is a sophisticated technique employed in the decoration of majolicas as used in central Italy during the Renaissance period. It consists of a beautiful iridescent gold or ruby-red thin metallic film, containing silver, copper and other substances and obtained in a reducing atmosphere on a previously glazed ceramic. Nowadays, it is not possible to replicate the outstanding results obtained by the ancient ceramicists, since the original recipes were lost. It is quite interesting to study lustre-production technology by means of analytical techniques now employed for advanced research on materials (XRD, ETAAS, ICP-OES, TEM-EDX-SAED and UV-Vis). In this work, we have focussed our attention on ceramic fragments decorated with both gold and ruby-red lustres, which were difficult to obtain due to complex reduction conditions required and which were a prerogative of Gubbio production. The two lustre colours differ in their chemical composition as well in their nanostructure. The presence of bismuth was disclosed and it was ascertained to be a distinctive feature of the Italian production.
- Subjects
GUBBIO (Italy); ITALY; MAJOLICA; GOLD; RUBIES; RENAISSANCE
- Publication
Applied Physics A: Materials Science & Processing, 2004, Vol 79, Issue 2, p241
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-004-2513-5