2 x 1.8 x 0.9 cm So this stone was ground by the Elbe River in southern Brazil, it is characterized by a frosty white surface. The cutting surface reveals the sheer depth of quality amethyst. Mild grief, brings comfort and peaceful deep sleep - rub it all over during wild dreams, then wash and place under the pillow or to the left and right next to the pillow. It balances the psyche, harmonizes the hormonal system, synchronizes the hemispheres of the brain and cleans blood vessels, ensures blood flow to the brain.