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H.X. Zhao, Q.H. Li, S. Liu and F.X. Gan Characterization of microcrystals in some ancient glass beads from china by means of confocal Raman microspectroscopy Journal of Raman Spectroscopy 44

Version of Record online: 25 FEB 2013 | DOI: 10.1002/jrs.4239

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A total of ten ancient glasses were analyzed by confocal Raman microspectroscopy for the non-destructive identification of microcrystals within them. For the first time, tin and antimony-based opacifiers/colorants were identified in nine samples as well as other crystalline phases. Another interesting phenomenon first observed was the coexistence of Sb- and Sn-based opacifiers/colorants in one mosaic bead from Guangxi. The possibility to use Sb- and Sn-based opacifiers/colorants for dating and provenance study of ancient glass found in China is discussed briefly.

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