Kyanite
 
Serenity – Tranquillity –Expression 
 
It will not retain negative vibrations or energy, therefore never requiring clearing. Blue Kyanite opens the throat chakra, encouraging communication and self-expression. It provides balance of yin-yang energy and dispels blockages, moving energy gently through the physical body.
Kyanite has a calming effect on the whole being, bringing tranquillity. It encourages psychic abilities and communication on all levels. It drives away anger, frustration, confusion and stress and helps to provide a capacity for linear and logical thought. 
 
Chakra: Throat.