Natural Sierra Nevada Triangle Turquoise Cabochon Handcrafted-One of a Kind Unique Item Triangle Shape Cabochon Natural Sierra Nevada Turquoise Measures Approximately 28 mm in Length by 22 mm in Width 23 Carats Mined in Nevada USA Professionally Cut Unbacked The Sierra Nevada Turquoise Mine is a owned by the Otteson Family and located in the Sierra Nevada Mountains near Tonepah, Nevada. It is close to The Royston and Candelaria Turquoise Mines. Watch The Otteson Family mine for Turquoise and White Buffalo on Their television show “Turquoise Fever” Available now on both Peacock and Amazon Prime