FIREFLY NECKLACE- LA DOLCE VITA OBLONG CRYSTAL -BLACK & WHITE NECKLACE AND BRACELET.. 7 in Bracelet 15 in Necklace Description Hand Made in Guatemala. The necklaces are made either with antiqued steel or antiqued brass. Firefly is privileged to integrate the worlds finest crystal into their designs: Swarovski. The Firefly Jewelry company has a deep love of color. Swarovski Elements precision cut crystal comes in such a wide palette of innovative colors that it inspires Firefly's imagination when planning out new designs. Metals are brass, silver plated and antiqued. Clean jewelry with a soft cloth, do not put in chemical baths as this can strip the beads and destroy the finish on the metals