Swarovski Elements Crystal Margarita spacer beads are simple floral shapes with scalloped edges. As spacers between other beads, they are visible as strips of crystal color. Stacked in three successive sizes, these beads are especially popular as Christmas tree earrings. For examples of how to create your own Christmas tree earrings, check out our Christmas Inspiration. FusionBeads.com offers Margarita beads in five sizes. Learn all about Swarovski Elements in our Swarovski Elements Q and A.