The colourless glass of Iulia Felix

Silvestri, Alberta; Molin, Gianmario; Salviulo, Gabriella

doi:10.1016/j.jas.2007.03.010

Cited by 160 publications

(190 citation statements)

References 11 publications

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“…Normally, MnO contents of up to 0.6% are commonly found in Roman (non-purple) glass (Aerts et al, 2003;Brill, 1999;Silvestri et al, 2007) and are attributed to impurities present in the siliceous sand. In the present case, it is clear that a Mn-mineral was intentionally added.…”

Section: Resultsmentioning

confidence: 99%

Composition data of a large collection of black-appearing Roman glass

Cagno

Cosyns

linden

et al. 2013

Open J Archaeometry

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Jewels and tableware made of black-appearing glass were popular in the Roman Empire. Compositional changes (due to modifications in glassmaking technology and use of raw materials) over the period considered (1 st -5 th century AD) have been investigated on a large number of samples originating from various archaeological excavations in Europe, Northern Africa and the Near East. In the course of this work, over 400 samples of Roman glass, the greatest part of them deeply coloured glass fragments, were embedded into acrylic resin and mechanically ground and polished in order to obtain flat surfaces of unaltered glass. The samples were analysed with scanning electron microscopy/energy dispersive X-ray spectroscopy and the quantification was performed by using a standard-less ZAF software. The trace elements contained in a selection of glass samples were determined via laser ablation-inductively coupled plasmamass spectrometry. The data collected in this study show that from about 150 AD a change in the black glass production process occurred, involving coloration of raw glass made with iron in the secondary workshops. Furthermore, from the 4 th century AD on we can observe a change in the type of raw glass used, while the colouring process was maintained. The main aim of this paper is to provide glass scholars with the analysis results, as reference and comparison for further studies.

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Section: Resultsmentioning

confidence: 99%

Composition data of a large collection of black-appearing Roman glass

Cagno

Cosyns

linden

et al. 2013

Open J Archaeometry

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“…ISSN 0211-1608138 Isabel Sonsoles, Rosario García, Isabel Rucandio CuPAUAM 40, 2014 En los últimos años, se está incrementando el número de contribuciones arqueométricas dedicadas al estudio de los vidrios antiguos utilizados en la fabricación de estas teselas, sobre todo con respecto a su caracterización mineralógica y fisicoquímica, téc-nicas de producción, fuente de aprovisionamiento de materias primas y procesos de alteración de los mismos (Brill, 1999(Brill, y 2002Foy et alii, 2003;Silvestri et alii, 2005;Silvestri, 2008;Foster y Jackson, 2010).…”

Section: María De Los Reyes María Dolores Petit-domínguezunclassified

Caracterización de Opus tesselatum procedentes de Ávila, España

Soto

Petit‐Domínguez

García

et al. 2014

cupauam

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ResumenSe han estudiado diversas muestras de Opus tesselatum procedentes de excavaciones arqueológicas de urgencia en Ávila (España) para determinar su origen y las tecnologías de producción utilizadas en su fabricación. Las teselas se han caracterizado por Espectrometría de Masas con fuente de Plasma de Acoplamiento Inductivo (ICP-MS), Difracción de Rayos X (XRD) y Espectrofotometría. Las muestras se corresponden con diferentes materiales con orí-genes dispares (vidrios y rocas de varias áreas de aprovisionamiento). El color rojo en algunas teselas se debe principalmente a la presencia de cinabrio en su composición, lo que indica un movimiento comercial de materiales desde otras zonas de España ya que este mineral no está presente en las rocas de la provincia de Ávila.Palabras clave: teselas, análisis mineralógico, análisis químico, Ávila, vidrio. AbstractSeveral Opus tesselatum samples from an emergency archaeological excavation in Ávila (Spain) have been studied in order to gather their origin and the production technologies used in their manufacture. Inductively coupled plasmamass spectrometry (ICP-MS), X-ray diffraction (XRD) and spectrophotometry were used to characterize the samples. The samples were made with different materials of different origin (glasses and rocks from different Spain areas). Red color in some Opus tesselatum samples is mainly due to cinnabar presence in their composition. It could be indicative of commercial movements between different Spanish sites, since this mineral is not present in rocks from Ávila.

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“…Thus, while reducing, it contains no silica. Despite the similarity of the compositions of these glasses (Silvestri 2008;Silvestri, Molin, and Salviulo 2008), the layers on the surface of these glasses are different for the colored and colorless glasses with a multilayer sequence of lamellae on the colored glasses and a white amorphous layer on the colorless glasses (Silvestri, Molin, and Salviulo 2005a). It is unclear why these differences in dissolution occurred.…”

Section: Roman Glassesmentioning

confidence: 99%

“…Verney-Carron et al 2009; Aurélie Verney-Carron et al 2010; Aurelie Verney-Carron, Gin, and Libourel 2008;Frugier et al 2009;Frugier et al 2008) and the group at the University of Padova, Italy (Longinelli et al 2004;Salviulo et al 2004;Silvestri 2008;Silvestri, Longinelli, and Molin 2010;Silvestri, Molin, and Salviulo 2005a;Silvestri, Molin, and Salviulo 2005b;Silvestri, Molin, and Salviulo 2008;Silvestri et al 2006;Benedetti et al 2007;Dal Bianco and Bertoncello 2008; …”

mentioning

confidence: 99%

Ancient Glass: A Literature Search and its Role in Waste Management

Strachan

Pierce²

2010

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The colourless glass of Iulia Felix

Cited by 160 publications

References 11 publications

Composition data of a large collection of black-appearing Roman glass

Composition data of a large collection of black-appearing Roman glass

Caracterización de Opus tesselatum procedentes de Ávila, España

Ancient Glass: A Literature Search and its Role in Waste Management

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