1. Tanzanite has only one source; the hills of Merelani in northern Tanzania
2. Scientifically called "blue zoisite", andwas renamed as tanzanite by Tiffany & Co.
3. Tanzanite is not particularly hard, having a value of 6.5 to 7 on the Mohs scale, for that reason, it should always be worn carefully
4. GIA doesn’t grade tanzanite, but the top grade of Tanzanite is "Intense Violetish Blue"
5. Consumers can expect to pay between US$700 and US$1200/carat for legitimate, certified, top grade “Triple A” faceted Tanzanite, depending on color, cut, carat and clarity.
6. All Tanzanite is assumed to have been heated to transform it from its original dull brown color to the beautiful and sought after Intense Violetish Blue
7. The women who wear Tanzanite exude confidence and individuality. The almost magical color of a perfectly cut tanzanite suits confident young women
8. Tanzanite was announced the birthstone of December next to Turquoise