Turqoise Stud Earrings-Blue Trurqoise jewelry-gift

Persian Turquoise, sterling silver, gold plated 10 mm x 10 mm stone What is the highest quality turquoise? For example, Persian grade turquoise is the most valuable, the classic “robin's egg blue” color, because it has trace vanadium and no iron. In the United States, the closest to Persian grade available was found in Arizona's Sleeping Beauty Minesian Turqoise