Ancient Quartz Beads. Most beads are translucent and clear; there are four translucent purple beads and 3 beads with blue spots. Smallest bead is 7.3 x 7.3 x 6mm and largest bead is 25.5 x 13.75 x 8.5mm. 44 beads. 18" strand. The strand pictured is the strand you will receive.