Blue Topaz AB Finish Bead Assortment - 8mm-12mm. Add some shimmering blue beads to your next project! The Blue Topaz AB Finish Bead Assortment features translucent blue beads of various shapes with a metallic sheen. Great for making necklaces, bracelets, earrings and other beaded decorations. Glass. (60 pcs. per unit) Assortment may vary.