A superb gem-quality tanzanite crystal exhibiting excellent clarity and rich color saturation. The crystal is transparent, showing a deep, velvety blue body tone that shifts to vibrant violet under changing light. Its internal purity and glass-like luster intensify the color, creating a mesmerizing play of blue and violet. The crystal is sharply terminated with smooth, reflective faces and displays flashes of indigo and violet fire within. With its striking color, pristine form, and vivid optical character, this piece represents the finest qualities that make tanzanite so highly treasured.