8mm in size, approximately 15" length. 19th wedding anniversary stone, March birthstone. Aquamarine is a stone of courage. Its calming energies reduce stress and quiet the mind. Aquamarine has an affinity with sensitive people. It can invoke tolerance of others and overcomes judgmentalism, giving support to those overwhelmed by responsibility. Clarifies perception, sharpens the intellect and clears confusion. Useful for closure on all levels. Promotes self-expression. Soothes fears and increases sensitivity. Sharpens intuition and opens clairvoyance. Wonderful for meditation. Shields the aura and aligns the chakras.