Blue Tanzanite has a medieval feel to it because it is always been there to champion those who are the underdogs. It is a great earth chakra or earthseed stone. It also gives your voice in the most authentic genuine honorable way so the throat chakra as well - "so from the earth you come and so you shall speak." In this connection you can connect to your dream realms doing dream work. Its numerology is 3; triangle energy supports it and every turn. Its element is wind.