This is a very interesting bi-colored Tanzanite crystal showing a natural transition from deep blue to olive-green tones. This zoning results from variations in trace elements and changing growth conditions during formation, making such bi-color specimens quite uncommon and highly collectible. The piece has undergone multiple professional restorations by the MCP team, all carried out with great precision and care. There is also one repair at the bottom. Despite this, the overall shape and size are very attractive, and the specimen maintains a strong and impressive display presence.