Teal Green Turquoise Navajo Ring in Sterling Silver Size 8 1/4

Large vintage Navajo ring in sterling silver. It is set with a mottled teal greenturquoise stone. The face of the ring measures 1 3/8" by 1 1/8". It is a size 8 1/4. Has a nice string shank. Weight: 16.7 grams. No hallmarks. Acid tested.