March has two birthstones, bloodstone and aquamarine, and although bloodstone came first, aquamarine is definitely the better-known of the two, so that's the one we will start with. A member of the beryl family, alongside emerald and morganite, aquamarine has a documented history going back to ancient Sumeria. At least, we think it does- ancient names for aquamarine often included colorless beryl (goshenite), so we are guessing that those mentions included blue beryl, too. With a name meaning