Pre-1925 Navajo hand hewn ring. It is set with a natural Hachita Mine turquoise stone that is mostly chert matrix with a thin vein of green turquoise that may have been blue at one time. The setting is a plain bezel with applied twisted wire spirals. Shank is cooled chisel split. 

Size 6.5 face is 7/8” long. Weight: 4.8 grams.