Included as one of the “Precious Gemstones,” Emerald is the green to greenish blue variety of Beryl which is a mineral species that also includes Aquamarine as well as Beryls in other colors. Although, the green of an Emerald must be dark AND saturated enough to be classified as one.
Birthstones and Anniversaries
As the gem of spring, Emerald is the perfect choice for the birthstone of May. It also, the gemstone of the 20th and 35th wedding anniversaries.