Here is a nice high grade natural Royston Turquoise cabochon. This Large Rectangular Royston Turquoise Cabochonwas hand cut by John Hartman. The stone features the highly coveted two tone blue to green coloration. This beautiful piece The gem was mined by the Otteson family in Tonopah, Nevada USA. The cabochon is backed.
This American Turquoise cab weighs 50.5 carats. The gem measures 1 1/4 wide X 7/8 inch wide.
All prices are in USD