Emerald Hollow Mine, Hiddenite, North Carolina. Find glittering, gorgeous emeralds in Hiddenite, only about an hour's drive from WinstonSalem, NC. The Emerald Hollow Mine is home to the only emerald mine in the United States open for public treasure hunting. You can check out findings from the mine at sluiceways or do your own prospecting, digging, and hunting for a small fee.
· Read more about mining in southern Africa. Despite more than 100 years' of mining and research on the Complex in South Africa, scientists still do not fully understand the processes that led to the Bushveld Complex becoming the most valuable mineral province on Earth.