Read about an interesting experiment in annealing glass the "old fashioned" way, done by a lampworker with an historical bent. They found that the ashes from the firepit or oven affected the bead, and that the newly made bead resembles old beads from the start. Not clear or really bright but kind of ashy/eroded. Like that picture. There would have to have been some process developed to allow the transparent glasses and bright colors to be used that the Romans and maybe Egyptians did? But, apparently some old glass beads looked old from the start.
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Kristin ~
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