Portuguese Blue‐on‐Blue 16th–17th Century Pottery
Jan 19, 2018 | Papers, Publications
Portuguese Blue‐on‐Blue 16th–17th Century Pottery
- L. F. Vieira Ferreira, I. Ferreira Machado, Tânia Manuel Casimiro, M. F. C. Pereira & L. F. Santos
- 2018
- Archaeometry
- Volume 60, Issue 4
- 695-712
- Language: English
- DOI: https://doi.org/10.1111/arcm.12336
- ISSN: 1475-4754
Blue‐on‐blue (‘berettino’) sherds have appeared in numerous production and consumption archaeological excavations in Lisbon and other archaeological sites in Portugal (dated from the mid‐16th century to the beginning of the 17th century). The abundance of this interesting faience led us to compare it with similar pottery from other well‐known production centres in Italy, namely Liguria (Savona and Albisola), Spain (the Triana kilns) and the Low Countries. Differences in the diffraction patterns of the sherds’ pastes from the four countries were observed. In most samples, cobalt blue silicate (cobalt olivine) was identified in the dark blue or light blue glazes through the use of micro‐Raman spectroscopy and diffuse reflectance spectra. A remarkable difference in the calcite contents of the Lisbon and Seville pottery sherds was observed, in accordance with previous observations of high calcite contents of Seville ceramics. A comparison was also made for all of the blue‐on‐blue sherds studied here with many other 16th–17th century sherds from Lisbon using bivariate plots of K/Si versus Ca/Si. Lisbon and Seville pottery behave very differently, whereas sherds from Italy and the Low Countries occupy intermediate positions.
Key-words:
Portuguese ancient ceramics, Lisbon blue‐on‐blue pottery, XRD, XRF, micro‐Raman
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Rita Luís and José Pedro Castanheira will visit the Salesians School to speak about what led to the Portuguese revolution of 25 April 1974. An joint initiative of IHC’s
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Detalhes do Evento
Rita Luís and José Pedro Castanheira will visit the Salesians School to speak about what led to the Portuguese revolution of 25 April 1974. An joint initiative of IHC’s A Liberdade Está na Escola [Freedom is in School] and Cultra’s Abril é Agora [April is Now].
Conversas Sobre Abril: Entre Estórias e Histórias
Os antecedentes do 25 de Abril de 1974
No âmbito do programa A Liberdade Está na Escola, em parceria com a Cultra e o seu programa Abril é Agora, Rita Luís e José Pedro Castanheira vão até aos Salesianos de Lisboa.
O tema central deste painel vão ser os antecedentes do 25 de Abril, com uma abordagem ao que desgastou o regime do Estado Novo e às principais causas da revolução de 25 de Abril de 1974.
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