15.25ct Unheated Color Zoned Tanzanite Crystal

This beautiful Tanzanite Crystal has a unique bicolor with the purple color showing only towards the termination. It has a good crystal structure and natural termination. A great gemmy mineral specimen. Watch the video to see a high resolution 360° view of this crystal.

• Locality: Merelani Hills, Tanzania
• Measurement: 19.9mm x 12.5mm x 7mm
• Weight: 15.25ct
• Color: Natural Unheated