Banana Republic Sonora Turquoise Ring | Aureus + Argent Size: 7 Could use polishing, but in excellent used condition “TURQUOISE COLLECTION: Turquoise, a treasured stone with history and lore embedded in many cultures from Egypt and Persia, to Tibet and across the Americas. This collection of highly wearable turquoise jewelry mixes the desirable blue-green stone with warm, golden brass that will develop a burnished patina with time. Handcrafted using free-form cabochons of turquoise from Mexico's Sonora region, known for its exceptional blue-green hue and distinctive veining.”