You are lucky enough to have Aquamarine as your birth stone. Aquamarine in its unheated variety will show a tint of green to it. Heated or treated Aqua will show no hints of green tint to them. Aquamarine is a member of the Beryl family, and can easily be confused with Blue Topaz, or even Paraiba Tourmaline and Apatite. Aquamarine can be worn as a healing crystal, and the video below explains that. The second video will tell you about the rarity of unheated Aqua. It is short but you get the idea. Most Aqua is heat treated to removed the green undertones as more customers wanted just the pure blue color.