Figure 7
From: Shedding New Light on Ancient Glass Beads by Synchrotron, SEM-EDS, and Raman Spectroscopy Techniques
The green sample, GLL5-2, exhibited inhomogeneous textures. Spectrum 7 represents the matrix soda-alumina glass composition. Spectra 3 and 10 were obtained from the inclusions and gave high concentrations of Pb and Sn. The elemental mapping showed higher amounts of Pb.
