SPARKLING LIKE STARS IN THE NIGHT - Blue Stone is unique. The stone's internal crystals appear and disappear randomly as the earrings move . . . causing them to sparkle . . . just like twinkling stars. These Sterling Silver (0.925 fine) earrings are made from 10mm & 6mm dia. Rare Polished Blue Stone beads, 6mm dia. genuine Swarovski Clear Austrian Aurora Borealis Bicone beads, and 3mm & 5mm Sterling Silver Bali Flower Beads. They are attached to Bali Style Sterling Silver ear wires. Earring guards are included. approx. size - 1-7/8" long overall