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Mainestone offers a stunning array of world class gemstones and the finest selection of Maine Tourmaline in Franklin County. Our natural gems are set in 14 KT and sterling silver custom and traditional designs. We also offer unique specimens and fossils from Maine and from around the world. Need a jewelry repair? Owner and goldsmith Ron Gelinas completes jewelry repairs in-house. Looking for an engagement ring or anniversary band? We may have just what you are looking for in our estate collection or let us assist you in creating and choosing the perfect ring for you. We invite you to stop in and browse our unique collections - a treat for all ages!