Blue Kyanite, Found in twisted fibrous structures, masses, and long bladed crystals which are either twisted or straight, grey, black, and blue with white, green, yellow, and pink. Metaphysical Beliefs, Kyanite never needs cleaning or clearing and does NOT accumulate or retain negative energy or vibrations. Kyanite is associated with the Throat and Third Eye Chakras. Astrological Signs are Taurus, Leo and Scorpio. Number Vibration is 4.