Beads range from about 15x5mm to 20x6mm. Expect sizes to vary significantly both on and between strands of these elongated natural crystal shapes. These curated Kyanite strands feature a beautiful blue color that highlights the striated textures of this much sought-after gemstone. Kyanite aficionados will find myriad uses in these sure-fire favorites, epitomizing the organic allures of the natural crystal bead.