Artisan handcrafted exclusively for Sundance Catalog, these green/blue Kingman turquoise stones with natural tan matrix & lines and perfectly accented by a beautiful bezel setting with decorate rope-twist detail. The open sterling silver frames keep earrings lightweight. Length approx. 1-1/4" - 1-1/2" including the wires. The Kingman Turquoise Mine in Arizona is one of the oldest turquoise mines in America. Kingman turquoise was discovered by prehistoric natives well over 1000 years ago. It is known for its beautiful sky-blue color and produces many variations of turquoise.