Emerald: May Birthstone and 55th Anniversary
Source: http://www.Mindat.org, undated photo of Crabtree Emerald Mine sign in Spruce Pine, North Carolina. The mine, which operated from approximately 1895-1990, produced emeralds for jewelers such as Tiffany & Co. The only two emerald mining sites in the US are both in North Carolina.
Source: Etsy/
Source: Etsy/:
Etta's Etceteras 