March's birthstone is one of my favorites. Aquamarine derived its name from the Roman words Aqua and Mare , water and sea. When you look at the beautiful blue green color of aquamarine stones, you can understand why they chose this name. The Romans felt that the aquamarine stone when mixed with water had great healing qualities and used it to treat illnesses of the heart,mouth ,throat and liver. It was said that this was the stone of Neptune, God of the sea, and was worn by the ancient sailors for protection. It is easy to understand why this stone is still worn as a symbol of beauty and protection today. Here are some aqua pieces that the Romans truly admire.