Turquoise Mountain Turquoise The Turquoise Mountain Turquoise Mine is located in the Cerbate Mountains, adjacent to the Kingman Mine. This area has been mined for Turquoise for over 1300 years. When the Turquoise Mountain mine was active, it produced turquoise of exceptional quality ranging from green with golden web to dark blue with brown web. The Turquoise Mountain mine has been inactive for over 30 years. This material has been stabilized for hardness.