The subtle appeal with lucid color combinations of certified and appraised AAAA Vivid tanzanite is the violet blue variety of zoisite. The inherent violet-blue colors are readily visible when exposed to sunlight. This gemstone is extracted from the only known source, Northern Tanzania. Certified gemstone offers eye clean clarity with fine cut. This premium quality tanzanite exhibits pleochroic properties, radiating violet blue hues with flashes of red color.