Tanzanite is the blue/purple variety of the mineral zoisite discovered in the Meralani Hills of northern Tanzania in 1968, near the city of Arusha. It is a popular and valuable gemstone when cut, although its...
Tanzanite is the blue/purple variety of the mineral zoisite discovered in the Meralani Hills of northern Tanzania in 1968, near the city of Arusha. It is a popular and valuable gemstone when cut, although its...
Asia is a region of the world blessed with many gemological riches. The ancient mines of India produce some of the most spectacular diamonds known to the world. Sapphire from Kashmir is also the revered gem of...