Labradorite RIng in Sterling Silver Size 8.5

Vintage sterling silver Southwestern styled ring. It is set with a labradorite stone that has bright turquoise blue flash. This ring was worn so much that the stone has a satin surface inside of a high shine from thousands of little surface scratches. It looks pretty this way and when I saw it, I could not leave it behind. 

Size 8.5 and the face is 1" long. It weights 11.1 grams. No hallmarks. Acid tested.