This unique designed ring is a Spirit of Santa Fe exclusive. Made of solid sterling silver. The ring features high grade Sonoran gold turquoise set on a curved radius on a shank with flat sides and bottom. This design makes for comfortable fit. The inlay are measures 1" x 1/2". Due to its design sizing is limited. Special orders are available. Sonoran Gold Canyon Turquoise is an interesting turquoise from Senora, Mexico, near Nogales, Arizona, and its neighbor: Nogales, Mexico, which is the northernmost point in all of Mexico. The series of mines bearing this name are on several sites contingent to the American border.