Tanzanite stimulates the throat chakra, third-eye chakra, and crown chakra.  It activates our psychic abilities and vibratory rate, facilitating communication with the higher spiritual dimensions.
Tanzanite is a stone of transformation that can help dissolve old patterns of disease and karma.  It enables us to move forward with optimism and inspiration, giving us a sense of direction and allowing us to manifest our powers for the highest good.
These might be small but a mighty crystals a high frequency of energy bringing back to the here and now.