Unique blue peruvian opal nugget necklace with hammered Sterling Silver toggle clasp. Each nugget is unique and colorful exhibiting blue, tan, gray, brown, and green, all in various shades. The nuggets are gently graduated and spaced with rounded rondelles of the same lovely material. Don't miss this one-of-a-kind necklace 28 inch necklace. It belongs in your wardrobe. MN2307