As mentioned above, Nanosital gems are artificially created in the lab by infusing glass with synthetic minerals. These synthetic gems have been around for more than 50 years. Whether you wear a stylish Nanosital pendant, small Nanosital earrings, or a Nanosital bracelet, it is a mesmerizing stone that can surely get you compliments for its elegant luster and color. The hardness, color density, and refractive index of the stone are close to Tanzanite.