Aquamarine evokes the purity of crystal blue waters, and the relaxation and feeling of calm that the sea brings. Spiritually, aquamarine is associated with trusting and letting go.Sailors used the stone as a talisman to bring good luck on the open waters. The gem was used as a symbol of protection and fearlessness too.It is also representative of clear communication straight from the heart.The gem is seen as a stone of courage and helps people overcome any anxieties associated with communication, such as a fear of public speaking.