With incredible Aurora Borealis effect, this pack of 24 Swarovski 4mm Blue Zircon AB 5328 Bicone Beads have been expertly cut to add breathtaking brilliance and iridescence to your creations, producing a perfect lagoon/twlight-like effect. Making their silver screen debut in 1932 on the jewellery of Marlene Dietrich, Swarovski crystals have long been the choice of designers and celebrities alike for their incredible fire and sparkle, and now you too can create showstopping designs!