THE WEATHERING AND IRIDESCENCE OF SOME ANCIENT ROMAN GLASS FOUND IN CYPRUS1

Autor:	A. W. Laubengayer
Rok vydání:	1931
Předmět:	chemistry.chemical_compound Materials science Hydrated silica chemistry Metallurgy Materials Chemistry Ceramics and Composites Mineralogy Weathering Iridescence
Zdroj:	Journal of the American Ceramic Society. 14:833-836
ISSN:	1551-2916 0002-7820
DOI:	10.1111/j.1151-2916.1931.tb16577.x
Popis:	Samples of ancient Roman glass taken from burial vaults on the Island of Cyprus have been examined. Analysis shows the glass to be of the soda-lime type characteristic that period. The heavy incrustation produced by weathering has been studied spectroscopically and microscopically and is shown to consist, for the most part, of hydrated silica, formed by the slow hydrolytic decomposition of the glass. The beautiful iridescence exhibited by the glass is due to the selective destructive interference of light the thin films of transparent incrustation on the surface of the glass.
Databáze:	OpenAIRE
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