Mt. St. Helens Twilight Obsidianite Emerald-Cut Sterling Silver Ring; Sizes 5-8

Twilight Obsidianite Color-Changing Emerald-Cut Ring. Made from pulverized rock erupted from Mt. St. Helens in Washington and set in sterling silver. Under natural or incandescent light this stone appears purple (similar to tanzanite), while under fluorescent light it changes to sky blue (similar to blue topaz). Ring sizes: 5, 6, 7, 8 Available in 4 Stone sizes: 7 x 5 mm: $105.00 8 x 6 mm: $115.00 10 x 8 mm: $145.00 (Shown) 14 x 10 mm: $215.00