5.90ct Rectangular Cushion Tanzanite 11.1x8.8mm Adjustable Ingot Mould 312g Fits easily over prescription or

Fits easily over prescription or safety glasses

Internal Ø36mm

supplied with leather pouch

Temperature is precisely monitored by a built-in sensor

Stone Size (mm): 19

5.90ct Rectangular Cushion Tanzanite 11.1x8.8mm Adjustable Ingot Mould 312g Fits easily over prescription orThe origin of the name Tanzanite comes from the country in which it was first discovered, by Tiffany and Co in 1967, and is the only known source of the stone: Tanzania. Tanzanite belongs to the zoisite species and it comes in striking purplish blue to blue hues. Tanzanite is the birthstone for December. Mohs Scale of Hardness: 6. 5 Sources: Tanzania.; Stone Size: 11. 10x8. 82x7. 10; Carat Weight (ct): 5. 9; Price Per Carat: 400