Flourite stone
Offers a stabilizing energy, facilitating order, balance, and healing. Excellent for clarity of mind, objectivity, concentration, and meditation. Aids in grasping higher, more abstract concepts, and to be discerning as to the truth or reality of a given situation. Balances and cleanses intellectual and physical bodies. Strengthens bones and teeth, and is used for dispelling illness in its early stages.
source: bestcrystals.com