Composition and state of alteration of 18th century glass from the Cistercian nunnery of Clairefontaine (Belgium)

Davy Herremans; Simone Cagno; Anke Vincke; Wim De Clercq; Koen Janssens

doi:10.1117/12.975247

7 November 2012 Composition and state of alteration of 18th century glass from the Cistercian nunnery of Clairefontaine (Belgium)

Davy Herremans, Simone Cagno, Anke Vincke, Wim De Clercq, Koen Janssens

Author Affiliations +

Proceedings Volume 8422, Integrated Approaches to the Study of Historical Glass; 842206 (2012) https://doi.org/10.1117/12.975247
Event: Integrated Approaches to the Study of Historical Glass - IAS12, 2012, Brussels, Belgium

Abstract

An extended set of 18th century glass vessels was analyzed by means of SEM-EDX (major and minor element composition) The fragmented archaeological objects were recovered from a latrine belonging to the early 18th century building phase of the nunnery of Clairefontaine, near Arlon (B). On the basis of typology and decoration, the major part of the vessels could be dated around the middle of the 18th century. Variety in color and weathering of the glass suggest differences in glassmaking recipes and in the composition and origin of raw materials. The results of the analysis show how two main compositional groups constitute about 90% of the analyzed glass set, and these are constituted by potash glass (transparent beakers) and high lime low alkali glass (green bottles). Next to these, a few potash-lime and soda glasses are also found. The type of alteration has also a clear relation with the original glass composition.

Citation Download Citation

Davy Herremans, Simone Cagno, Anke Vincke, Wim De Clercq, and Koen Janssens "Composition and state of alteration of 18th century glass from the Cistercian nunnery of Clairefontaine (Belgium)", Proc. SPIE 8422, Integrated Approaches to the Study of Historical Glass, 842206 (7 November 2012); https://doi.org/10.1117/12.975247

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