Amethyst is a extremely powerful and protective stone with a high spiritual vibration. It guards against psychic attack transmuting the energy into love.
Amethyst is one of the most spiritual stones, promoting love of the divine, giving insights into its true nature, and encouraging selflessness and spiritual wisdom.
When placed under the pillow, the Amethyst will keep away nightmares and help insomnia. A spiritual stone with absolutely no side effects or associations with violence, anger or passion, the amethyst is a stone of peace.
This is such a small snippet of the information on the powers of this wonderful stone.