IRON AND SULFUR RELATED COLORS IN ANCIENT GLASSES
Autor: | J.W.H. Schreurs, Robert H. Brill |
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Rok vydání: | 1984 |
Předmět: | |
Zdroj: | Archaeometry. 26:199-209 |
ISSN: | 1475-4754 0003-813X |
DOI: | 10.1111/j.1475-4754.1984.tb00334.x |
Popis: | Roman glass found at Jalame, in Western Galilee, and dating from the fourth century A.D., shows a variety of colors ranging from aqua blue to green to amber. It was found that the glasses are quite reduced and that the colors arise from absorptions by Fe2+ and a ferri-sulfide chromophore. Small amounts of colorless and purple glass, which had been oxidized by adding MnO2, were also found. |
Databáze: | OpenAIRE |
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