Kyanite is most commonly seen in its blue form, but it also has black, green and orange varieties. Blue Kyanite forms in varying size bladed specimens. Gem quality Kyanite is translucent and makes for very attractive cabochon jewellery, though it is difficult to cut. Until fairly recently, it was confused with Sapphire, rather than being known as a separate mineral.

Blue Kyanite helps to increase perseverance and mental stamina, allowing one to endure challenging situations with ease. This crystal also aids in communication and self-expression, making it an excellent tool for public speaking or singing as it strengthens the voice. Blue Kyanite promotes calm and tranquillity, and aligns all chakras, making it a powerful tool for balancing and healing the body. It has a very strong energy and high vibration, making it excellent for meditation. Blue Kyanite can also help with dream recall and it provides a boost to psychic ability and communication.