Fluorite crystallizes in the form of cubes, octahedrons, grains, masses and rhonbdodecahedra crystals. Metaphysical Beliefs, This mineral seems to produce an energy that calms and soothes. Purple Fluorite is a third eye stone. Purple Fluorite is associated with the Third Eye Chakra. Astrological Signs are Pisces and Capricorn. Number Vibration is Master Number 77.