Our sterling silver March birthstone hoop earrings display soft aqua chalcedony gems set in simple polished surrounds dangling from three quarter hoops. Each month of the year is associated with a different gemstone which brings luck to the wearer. The birthstone for March is aqua chalcedony. This beautiful semi-precious gemstone can vary in colour from a soft powder blue through to pale turquoise. Aqua chalcedony is famed for its soft and subtle colour.