4. Tanzanite Beaded Necklace Atanzanite beaded necklace features tanzanite beads strung together to form a necklace. This style of necklace is unique and versatile. The length and design of the necklace vary depending on the size and shape of the tanzanite beads. To get a bohemian or electric look, you can wear tanzanite beaded necklaces alone or layered with other necklaces. 5. Multi-strand Tanzanite Necklace