Posted by: Beadman Post Reply
If you read our book, Wild Beads of Africa, you will see that we propose that these high-lead yellow disk beads may have been the source for yellow glass that composes the exteriors of many old powderglass beads from Ghana. The high lead content would cause the glass to melt at a lower temperature, and would thus be a good source for making a thin exterior layer on a bead. JDA.
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