Lush blue velvet. Rich royal purple. Exotic tanzanite is found in only one place on earth, near majestic Kilimanjaro. Named for Tanzania, the country where it was discovered in 1967. It has become one of the most popular of colored gemstones. Tanzanite is a birthstone for December and also the gem for a 24th anniversary.
A deep saturated blue is the most valuable color of tanzanite. Paler tones are more affordable.
Eye-visible inclusions decrease the value of tanzanite, particularly in lighter colored stones.
Tanzanite is available in a wide range of shapes but cushion and oval cuts are most common.
Tanzanite color is less saturated in smaller sizes. Gems must be above five carats in size to have fine color.
Tanzanite has only one source the hills of Merelani in northern Tanzania.
Masai tribesman Ali Juuyawatu is credited with finding the first tanzanite crystal.
Tilt tanzanite and you ll see three distinct colors in three crystal directions.