Jewelry Shop › Lake Superior Agate Necklace Image 1 of 1 Lake Superior Agate Necklace $100.00 Stunning Lake Superior Agate Necklace set in silver. Made by Northern Raven Studio Purchase Added! Stunning Lake Superior Agate Necklace set in silver. Made by Northern Raven Studio Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More