Mt. St. Helens Twilight Obsidianite Oval-Cut Sterling Silver Stud Earrings w/CZ

Twilight Obsidianite Color-Changing Oval-Cut Stud Earrings. 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). Each stud has a small 2 mm cubic zirconium accent. Available in 2 stone sizes: 7 x 5 mm; $115.50 (shown) 10 x 8 mm; $175.00