Labradorite Sterling Silver Domed Disc Pendant, Labradorite Roundelles, Labradorite Jewelry, Sterling Silver Jewelry, Gemstone Jewelry Sterling silver disc that has been distressed and domed, with labradorite roundelles, hanging from 18 inch sterling silver dainty chain. Pendant is approximately 1 1/8 inches wide. Labradorite is an unusual mineral. It can display a beautiful iridescent play of colors, caused by internal fractures in the mineral that reflect light back and forth, dispersing it into different colors. This effect, known as labradorescence, gives Labradorite its appeal and fame. Specimens sold to collectors are usually polished or sliced by dealers to fully bring out this effect. Sliced slabs are sometimes sold by dealers in water, which enhances the effect. (Source: www.minerals.net)