Green Helenite Ring 1.15ct marque cut 8 cubic zirconia accent stone filigree mounted sterling silver, Late 20th, New
Mount St. Helens obsidian, emerald obsidianite, and ruby obsidianite, is an artificial glass made from the fused volcanic rock dust from Mount St. Helens. Helenite was first created accidentally after the eruption of Mount St. Helens in 1980.
