American emerald
cordulia shurtleffii latin

This was the largest North American emerald found to date.

The American Emerald (Cordulia shurtleffii) is a species of dragonfly found in North America.

Another major mine, that is not open to the public is the North American Emerald Mine (NAEM).

Previously known as Rist Mine, this is a location mined by James K. Hill who is the founder of North American Emerald Mines Inc.