Description: This is a Tanzanite specimen, from Tanzania, about 4.8 cm height. Tanzanite is a variety of Zoisite, that contains vanadium, which is the main reason for its unique color. The unique "Heart of the Ocean" in the famous movie Titanic was made from Tanzanite. The Tanzanite geometric shape is obvious! Amazing blue color! Bright luster! Most areas are almost completely transparent! Amazing gemmy Tanzanite specimen!