Tanzanite and Sterling Silver Crystal Stud Earrings These rough Crystal Earrings are made of natural Tanzanite and are prong set in Sterling Silver. Each pair of Earrings come with Sterling Silver Butterfly Backs and Silicone push backs. NOTE: Because the Earrings are made from natural Crystals, the Crystals will look similar but the pairs are not perfectly matched. Earring sizes will vary in width, length, and depth. Tanzanite Properties: • Facilitates metaphysical abilities • Provides you with trust and poise • Assists you in taking time for yourself Color: Purple Measurements: approx. 6.3 - 10.4 MM Purchase with confidence: Choose the exact pair of Earrings you want from the dropdown ** Please keep in mind that you are purchasing Earrings made from natural Crystals. Since Crystals come from the Earth, they are unevenly shaped, or have bumps, dents, cracks, fractures, etc., on them. These unique markings contribute to the natural beauty of each Crystal as no two are alike.