Iolite (Kaka Neeli) is a gemstone of Sapphire gemstone. It is found in shades of blue and purple. It is available in nature in colors like blue, dark blue, violet color, violet color and violet color with blue aura. This gemstone is related to the Sahasrara Chakra of the body. That is why this Uparatna is related to this chakra. People who have weak Sahasrara Chakra and have weak memory can wear Iolite Uparatna.