Royston is a turquoise mine located within the Royston District near Tonopah, Nevada. The Royston District consists of several mines including Royston, Royal Blue, Oscar Wehrend and Bunker Hill. The mines in this district were discovered as early as 1902. Royston turquoise is known as "grass roots", which means the best deposits are found within ten feet of the surface.
Note: This ring is sized according to US standards.
