This is a powerful stone of wisdom that strengthen ones personal expression and intuition. Use it to bring forth to access ancient knowledge. It also is a protective stone and emits a level of tranquility.
It is the primary stone of the Northeast direction. For use in the room where you wish to practice Feng Shui, place it in the Center (tranquility/spirituality), Northeast (wisdom/knowledge), North (personal journey), and/or the West (creativity).