Big Mint Green Turquoise Ring in Sterling Silver Navajo Size 6.75

Very simple vintage Navajo ring set with a big natural American mint green turquoise stone. The face of the ring measures 1 3/8" by 3/4". Size 6 3/4. Very nice stone with a mottled matric pattern. Shank is hand wrought with cold chisel splits. C. 1950s. Weight: 11.2 grams.