Jar - ROM2010_11670_31



Medium:Blown glass
Geography: Syria
Date: about 175-300 AD
Period: Roman Imperial period
10 x 6.6 cm
Object number: 950.157.240
Credit Line: Gift of Miss Helen Norton
On view
Gallery Location:Joey and Toby Tanenbaum Gallery of Rome and the Near East

The iridescent surface of some ancient glass is the result of decay. Humidity fluctuations and acidic soil conditions cause a gradual eating-away of the surface as the glass breaks down into its natural components. A refractive film of decay builds up, producing the rainbow colours.

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