Aquamarine is a Gemstone belonging to the Beryl family and found in a range of blue shades, from the palest pastel to greenish-blue to a deep blue. Aquamarine is the wedding anniversary stone associated with the 16th and 19th year of marriage and birthstone for those born in the month of March. This stone is also suited for those born under the Zodiac signs of Pisces and Leo. This is also an ideal stone for those who are born on 3rd, 12th,21st or 30th of the month. This stone is also said to bring harmony in relationships and protect the wearer against evil powers. This is a good stone for meditation.