This listing is for a unique & rare Keweenaw Thomsonite, a real treat from Michigan. The colors & radial patterning featured in this stone are beautiful & eye catching, both front & back can be seen in the photos. We hand polished & drilled this specimen into a pendant, & strung it on a 925 sterling silver chain. This necklace is an elegant way to display your favorite nature inspired treasures. Chain length; 21 inches Photo of nickel to show pendant size. This stone has been stabilized. All orders come with a free gift! Thank you for looking! #600 Rare Michigan Thompsonite Sterling Silver Necklace Keweenaw