tanzanite
- Scope note
- Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Tanzania, in a very small mining area (approximately 4.3 mi long and 1.2 mi) wide near the Mererani Hills.
- Date of creation: 29-Apr-2024
Accepted term: 29-Apr-2024