14 x 4mm VASELINE/URANIUM GLASS TUBE BEADS originally from the Czech Republic. These beads are a Beautiful Sapphire Blue with Glowing Vaseline Glass inclusions in each bead. These are in pristine condition. There are a number of lots available with Ten (10) beads in each lot. They’ve been black light tested and are guaranteed to fluoresce a brilliant neon green under Ultra Violet light (390 - 405nm preferably).