highly stimulating to the pineal gland located behind the third eye in the forehead. If you have the potential to develop psychic powers, it is a powerful stone to amplify many psychic gifts.
They are helpful healing crystals for you if you work in psychic employment, including if you work in the astrology field, or are a tarot reader.
Your accuracy in your interpretation of the information that you receive from the Divine mind, is aided by this stone.