Old Navajo Swirl and Nodule Turquoise Pendant and Chain Necklace

Old Navajo sterling sulver pendant and chain necklace with a simple Modernistic design that has a big swirl and raindrops. The stone is outstanding as it is a rich teal blue/green with nodule formation. The matrix is clean clean black. Possible Bisbee Mine. Heavy bail on the back. Pendant measures 1 3/4" tall by 7/8" wide. The chain is sterling and Italian. Measures 24" long. total weight: 13.1 grams. No hallmarks. C. 1950. (Navajo response to Mid-Century Modern)