It was then discovered that it was a new discovery never found before and it was found to be the mineral zoisite. The scientific name of Tanzanite was ‘Blue zoisite’ but the Tiffany & Co marketing department didn’t think it was consumer friendly because it sounded like ‘Blue suicide’ henceforth they decided to name it after its origin place Tanzania. Tanzanite continues to be recognized and loved all over the world and is a beautiful momento of Tanzania.
Tanzanite comes in a variety of colors from blue to violet, its easy to identify but difficult to duplicate as it’s a trichroic gem, which means that it has 3 layers of colors.
Tanzanite has a refractive index of 1.69 and hardness of 6.5-7 on the mohs scale,its not a hard stone similar to emarald for that it is advised to be worn with some care.
Similar to other gemstones you have to follow the 4C’s with Tanzanite as well. Color, clarity,cut and carat when used together, they describe the quality of a finished gem, which is directly related to its value.