Vintage Navajo sterling silver ring set with Fox Mine turquoise. This stone has a natural indentation with a little turquoise formation inside. I could not see it without a magnifier. This ring has a large feather that is placed over the top of the stone, Simple setting with twisted wire rope. Hand hammered shank (with hammer marks) and cold chisel splits. 

Size 6 and the face measures 3/4” by 3/4”. Weight: 5.6 grams.