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Reverse Engineering the Physical Chemistry of Making Egyptian Faience through Compositional Analysis of the Cementation Process

The cementation process of making Egyptian faience, reported by Hans Wulfffrom a workshop in Qom, Iran, has not been easy to replicate and various views have been set forth to understand the transport of materials from the glazing powder to the surfaces of the crushed quartz beads. Replications of the process fired to 950° C and under-fired to 850° C were characterized by electron beam microprobe analysis (EPMA), petrographic thin section analysis, and scanning electron microscopy with energy dispersive x-ray analysis (SEM-EDS). Chemical variations were modeled using thermal data, phase diagrams, and copper vaporization experiments. These replications were compared to 52 examples from various collections, including 20th century ethnographic collections of beads, glazing powder and plant ash, 12th century CE beads and glazing powder from Fustat (Old Cairo), Egypt, and to an earlier example from Abydos, Egypt in the New Kingdom and to an ash example from the Smithsonian Institution National Museum of Natural History.

Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/622834
Date January 2016
CreatorsPina, Magnum Leo, Pina, Magnum Leo
ContributorsVandiver, Pamela, Vandiver, Pamela, Uhlmann, Donald, Potter, Barrett G.
PublisherThe University of Arizona.
Source SetsUniversity of Arizona
Languageen_US
Detected LanguageEnglish
Typetext, Electronic Thesis
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.

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