Emerald Obsidianite, Helenite, and Gaia Stone are all different names for the material created from rock dust (“ash”) blown out of Mt. St. Helens in Washington state when it erupted in 1980. Emerald Obsidianite is not emerald but just as beautiful and much more affordable. Pulverized rock is fused and melted under lab conditions at 2700 degrees Fahrenheit. The green color comes from the trace elements of chromium, copper, and iron.