Natural(dyed) Opal roundel beads, sizes range from 6mm to 9mm. The tradition of Tibetan (Dzi) Agate beads date back to 2000 and 1000 B.C; Dzi beads are said to be stones of protection and prayer. Beads are painted in a variety of colors and patterns, and this treatment to the natural stone (Agate) is permanent. Gold-plated steel swivel clasp and closure ring.