Navajo Tufa Cast Open-Work Ring with Jet and Turquoise Size: 13

Navajo made sterling silver ring. This ring was tufa stone cast and has a nice open-work design. Flow marks on the inside. 

Inlay set with black jet and turquoise. Face measures 7/8" by 5/8". 

Size: 13 No hallmarks. Acid tested sterling silver. Weight: 10 grams. Tarnished.