Beautiful Blue Natural Royston Turquoise Oval Cabochon R136

Natural Blue Royston Turquoise Oval Cabochon for your Jewelry Designs or Turquoise Collection R136 Handcrafted Item Unique One of A Kind Item Oval Shape Blue Color 20 Carats Approximately 27 mm in Length 16 mm in Width Lightly Backed for Stability Highly Polished Mined in Nevada USA Professionally Cut The Royston Turquoise Mine is the oldest patented Turquoise Mine in Nevada. it is located within The Royston District near Tonepah, Nevada. Royston Turquoise is often a favorite of Silversmiths because of the wide variety of colors and shades varying from light blue to Dark green.