bf5man sent us this great inside look at how they make glass beads in West Africa. From the site, “The powder glass technique of making beads is highly developed in West Africa where it’s been in use for centuries. Glass is ground into a powder, poured into moulds and baked in kilns. Often recycled glass is used or old, broken beads are ground down and used again. ” Link.
How recycled glass beads are made – Link.