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Glass finds from the Museu de Lisboa – Teatro Romano (Lisbon) : historical and chemical approach of an archaeological set from the Modern Period

Abstract : During recent archaeological excavations at the site of the Teatro Romano Museum in Lisbon (Portugal), a set of glass fragments belonging to several typologies were found and dated between the 17th to the 18th centuries. The glass set was unearthed from a habitational context and was considered of utilitarian character. In its majority it was possible to identify wine bottles in olive green and black glass, beakers and flasks in colourless glass, and small cylindrical flasks in turquoise blue glasWith the aim of studying and characterizing this assemblage, 56 glass fragments from a total of 97 were selected for further analysis by means of µ-PIXE and LA-ICP-MS. A close relation was observed between the glass chemical types and the objects types, where all the analysed bottles have low contents on alkali elements and high contents on lime (HLLA glass), and all the colourless glass fragments are of a potassium-rich glass type. This potassium-rich formulation is typical in Central European regions and predominates in the European markets from the second half of the 17th century onwards. Comparison with published coeval compositions from Portugal and from other European glass production centres highlighted differences and similarities, extending our knowledge on the glass circulating in the country during the 17th and 18th centuries, and also on the Portuguese commercial relations with Europe.
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https://hal-univ-orleans.archives-ouvertes.fr/hal-02875597
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Submitted on : Friday, June 19, 2020 - 6:32:45 PM
Last modification on : Tuesday, October 27, 2020 - 8:40:04 AM

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  • HAL Id : hal-02875597, version 1

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Inês Coutinho, Teresa Medici, Luís C. Alves, Lídia Fernandes, Bernard Gratuze, et al.. Glass finds from the Museu de Lisboa – Teatro Romano (Lisbon) : historical and chemical approach of an archaeological set from the Modern Period. Revista portuguesa de Arqueologia, Instituto Português de Arqueologia (Lisbonne), 2017, 20 (1), pp.157-166. ⟨hal-02875597⟩

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