http://en.wikipedia.org/wiki/Helenite Mount St. Helens Emerald Wikipedia http://en.wikipedia.org/wiki/Helenite Mount St. Helens Emerald English Mount St. Helens Emerald Mount St. Helens Emerald Mount St. Helens Emerald Mount St. Helens Emerald view article Mount St. Helens Emerald Mount St. Helens Emerald helenite