The Morenci Turquoise mine is known the world over for it's light green to bright blue color. The stone also has an unusual matrix of quartz and pyrite that is often mistaken for silver.
The Morenci Turquoise mine is located in Southeastern Arizona, the Morenci mine was originally one of the largest copper mines in the United States. First claimed in 1864, it reportedly began producing copper around 1880. As with many copper mines, some beautiful blue stones were found along with the copper.
Unfortunately the mine has been closed making Morenci Turquoise very rare and very difficult to find. Morenci Turquoise is very collectible due to its beautiful blue and silver colored matrix and it's rarity.