Turquoise Mines in Arizona The Bisbee Mine. Bisbee Turquoise was one of the first on the market under its registered name "Bisbee Blue." This mine, also called the "Lavender Pit," provided Turquoise that is of a high blue color, hard, gently webbed, and with a soothing, chocolate brown matrix.
Composite map of the underground workings and longitudinal section of the Hillside mine. FIGURE 1. Index map of Arizona, showing loion of the Bagdad area, ... By analogy to the age of similar rocks elsewhere in Arizona, the age of this tuff is probably Late Cretaceous or early Tertiary. The tuff is intruded by rhyolite dikes that are in turn