R6423AL Man's Ring 7x9mm Oval Russian-Made Alexandrite June Birthstone Sterling Silver Ring Gemstone: Synthetic Russian Made Alexandrite Stone Size: 3.38ct -7x9mm, Color Changing Purple to Red Origin: Russia *Because we use natural stones, the stones may vary slightly in shape, size, and color. * About Helenite: Helenite is a gemstone that resulted from volcanic ash and rocks, and is also referred to as emerald obsidianite, Mount St. Helen obsidian. The volcano erupted on May 18, 1980, and ejected igneous rock from 10-20 miles underground. The fury of the volcanic eruption is a wondrous occurrence in nature. The beauty that has been created from itHeleniteis a fantastic thing to hold.