Education

NC State Precious Stone

Emerald

Adopted 1973

Emeralds - photo copyright Chip Clark NMNHA brilliant, transparent form of the mineral beryl, the emerald occurs in nature as a hexagonal crystal with a deep green color and a glass-like luster. In North Carolina, emeralds are found most often in Mitchell and Alexander Counties in deposits with quartz, feldspar, mica, and sometimes hiddenite. The largest emerald found in the state weighed 1,686 carats.