Kingman turquoise is stone from the Mineral Park mine near Kingman, Arizona — one of the oldest and largest turquoise sources in the United States, worked since pre-Columbian times. Kingman is known for bright, high-blue color, often with a black or silvery pyrite matrix, and it remains in active production today.
The Mineral Park district in the Cerbat Mountains has yielded turquoise for centuries — ancient peoples worked it long before modern operations began, and today it is run alongside a large copper mine. That scale is part of Kingman's identity: it is one of the few historic American mines still producing turquoise in quantity, which keeps the stone available where many famous mines have closed.
Classic Kingman is a clean, vivid blue, frequently shot through with black matrix or sparkling flecks of pyrite (“fool's gold”). The mine also produces lighter blues, greens, and water-web patterns, and a strain with a distinctive dark matrix is widely recognized. The best high-grade Kingman rivals stone from any closed mine for color.
Because Kingman produces so much material across a wide quality range, you will find it in every form — fine natural cabochons, and a great deal of stabilized stone used in everyday silver jewelry. That abundance makes Kingman the turquoise many people first own, while top natural Kingman is collected seriously.
Kingman's sheer range is part of why it is so widely set. The same mine can yield a deep, even high-blue cabochon for a statement ring and a softer, greener stone for a row of cluster work, so you see Kingman across the whole spectrum of Navajo and Zuni silver — from a single bold center stone to dozens of small matched cabochons in needlepoint and petit point. That availability also keeps good Kingman attainable, making it an excellent first serious turquoise as well as a collector's stone at the high natural grades.
As with any turquoise, the value of a Kingman piece depends on whether the stone is natural or stabilized, the depth and evenness of its color, and the artist who set it. A reputable seller names the mine, states the treatment, and backs the piece with documentation.