Unheated Tanzanite Crystal Specimen from Tanzania – 10.88 caratsA striking unheated tanzanite crystal displaying soft violet to blue hues with excellent transparency and a beautifully elongated prismatic form. This specimen features well defined vertical striations along the crystal faces and a natural multi faceted termination, giving it strong visual structure and presence. Unlike heated material, this crystal retains its natural color expression, showing subtle variation between pale violet and light blue tones