Dark Blue Turquoise Ring in Sterling Silver Size 6 3/4

Vintage Southwestern sterling silver ring set with dark blue American turquoise. It has white quartz inclusions with black matrix. Nice feather accent. The shank is hand pulled silver wire. Size 6 3/4 and the face measures 1 1/8" by 7/8". Weight: 9.1 grams. Well made, sturdy ring. No hallmarks. Acid tested. Likely Navajo made.