Tanzanian Kyanite Plain Oval Beads have a vitreous luster, are symmetrical in shape, and have a good polish. These Gems are dark in saturation of a greenish blue hue with internal characteristics, and the transparent Kyanite bead strand is of a consistent tone and quality. These Kyanite Gemstones are mined in Tanzania. The bead hole sizes are approximately 0.5mm. AA Quality