Kyanite is formed under high pressure and relatively low temperature conditions, typically during the metamorphism of clay-rich sediments. It is commonly found in metamorphic rocks such as schist and gneiss, where it may arise from the regional metamorphism of deep sedimentary deposits. Kyanite, is also known as disthene, The name "kyanite" is derived from the Greek word "kyanos", meaning "deep blue", a reference to the most common color of the mineral. The alternative name "disthene" refers to the double hardness of the mineral, it has a different hardness depending on the direction in which it is scratched.

• Chemical formula: Al2SiO5
• mineral group: Nesosilicates
• hardness: 3.6-3.7 moh
• Location: Brazil

Disthene is a stone that improves self-expression and communication and helps to break through fears and blockages. He removes obstacles, frustration and stress. It is a good stone for the throat chakra. It is a stone that does not hold negative energy and therefore does not need to be discharged.

Chakra: All but especially 5th and 6th