Fluorite promotes spiritual and psychic wholeness and development, truth, protection, and brings peace. It protects psychically and in the physical realm. It helps one mediate and learn to go past the "chatter" that our minds tend to generate when first learning to meditate. Fluorite is a great stone to calm, relieve anxiety and stress. It can help get rid of mental blocks and similar mental issues.
Size, shape and weight vary per stone.