Emerald is a gemstone and a variety of the mineral beryl , it is colored green by trace amounts of chromium and sometimes vanadium. Most emeralds are highly included, so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
Emerald Collection Box from Crabtree Mine Mitchell County, N.C.
Ruby City Gems & Minerals
130 E. Main St.
Franklin, NC 28734
Phone: 828-524-3967 or 800-821-RUBY