19.03ct Fancy Color Natural Vibrant Yellow Tanzanite CrystalThis beautiful Tanzanite Crystal has a pretty vibrant Yellow color and good looking crystal structure. A very gemmy mineral specimen. Some may not consider this tanzanite, because it doesn't have the typical blue violet color which we consider tanzanite, so instead some just all it Yellow Zoisite. Watch the video to see a high resolution 360 view of this crystal. Locality: Merelani Hills, Tanzania Measurement: 22. 8mm x 10. 7mm x 6. 7mm Weight: 19.