Lapis Lazuli: Is a powerful crystal for activating the higher mind and enhancing intellectual ability. It stimulates the desire for knowledge, truth and understanding, and aids the process of learning. It is excellent for enhancing memory. Lapis Lazuli is a crystal of truth in all aspects. It reveals inner truth, and promotes self-awareness and the acceptance of that knowledge. 
Related Chakra - Third Eye/Throat  
Energy words: Truth, Inner Power, Organization