Because of its greenish-blue color, this stone derives its name from the Latin word aquamarina meaning seawater. Known to the ancients, Aquamarine is associated with much lore. This beautiful gemstone was thought to give wearers knowledge and foresight and assist in an individual's inspiration. A symbol of youth and fidelity, Aquamarine was believed to induce a peaceful night's rest. The name is derived from the Latin meaning "sea water" as Aquamarine ranges from blue to bluish-green shades in varying tones. Aquamarine is the blue variety of Beryl, a mineral species that includes Emerald, Morganite (pink) and Golden Beryl (Heliodor). Aquamarine is the March birthstone and is the anniversary stone for those celebrating a nineteenth wedding anniversary.