Tanzanite: Tanzania's Unique Gemstone

Tanzania is the world's only commercial source of tanzanite, a rare blue-violet variety of zoisite colored by vanadium. Discovered in 1967 in the Merelani Hills near Arusha, it quickly became a prized gemstone.

Key Facts

• Found only in a small mining area (~7 km²).
• Mining is labor-intensive; crystals are delicate.
• Major economic contributor via exports and tourism.
• Used in fine jewelry (rings, pendants, earrings).
• High demand and limited supply drive prices up.

Efforts promote sustainable mining to preserve this national treasure for future generations.