Blue Sapphire is used for psychic and highest mental activation for wisdom from the highest planes. It opens awareness for channelers and aids in focusing and grounding the information received. It enhances insight, mental agility and extra sensory perception. It helps one find the hidden truth and to speak in truth. The blue ray of sapphires facilitates awakening  of the third-eye and throat chakras thus giving one the ability of inner vision and clear, effective communication.  
Uses - Awareness, Discipline, Psychic Activation, Channeling