Aquamarine. Legend has it that

Aquamarine. Legend has it that it came from a mermaids jewelry box. It is said to bring pure love. If it is placed on the neck worn as a short necklace it can treat neck and throat problems. It is helpful for the treatment of vocal cords and speech. Aquamarine symbolizes peace. It encourages a gentle nature and personality in the wearer. For Aquarius it promotes friendship and love. Pisces, awareness and for Libra it warns against danger. It must be worn directly on the skin whenever possible.