Affectionately known as the 'stone of harmony and relaxation,' Amethyst acts as a soothing tonic for a busy mind, helping to melt away daily stress and restore emotional balance. Measuring approximately 25 to 45 mm, these medium-sized African tumble stones are perfect for keeping on your bedside table for a restful night’s sleep, holding during meditation, or placing anywhere you want to create a tranquil sanctuary.