Aquamarine
Aquamarine is a blue member of the beryl family and is the traditional birthstone for the month of March and the zodiac sign, Scorpio. It is colored by trace amounts of iron and it can vary in color from pale blue to deep blue-green. Legend says that sailors would wear aquamarine gemstones to protect them and prevent seasickness. It was believed that aquamarine would bestow unto the wearer happiness, courage, and foresight. Aquamarine has also been used as a healing stone to treat for anxiety and in the Middle Ages it was believed that aquamarine would reduce the effect of poisons. Aquamarine has a hardness of 7.5-8 out of 10 on the Mohs' Scale of mineral hardness.
