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Bisbee turquoise, also known as Bisbee Blue, is amongst the finest turquoise found anywhere in the world. [2] Mining operations in the pit ended in 1974. The undeveloped Cochise deposit, located immediately north of the Lavender pit, contains an estimated 190 million tons of rock containing 0.4% acid-soluble copper, [ 3 ] which may be mined in ...
Mineral Park was a mining town, now a ghost town in the Mineral Park valley of the Cerbat Mountains in Mohave County, Arizona. [6] Its ruins and cemetery are now located within the property of the mine. [7] Mining in the area began in 1871 and a camp was established soon after. The mines produced primarily silver, gold, copper, lead and zinc.
Bisbee turquoise can be found in many different shades of color and quality, from soft, low quality pale blue, to the quality hard brilliant blue turquoise and almost every shade of blue in between. The highest grade of Bisbee Blue turquoise is almost lapis lazuli blue and has a brownish-red spiderweb matrix. Green turquoise is also found in ...
The Hohokam people were the first miners in the area. They mined turquoise in the Silver Bell Mountains. Silver and copper mining began in the Silver Bell Mountains around 1850 and continues today. Bighorn sheep ewes prefer mine tailings for lambing grounds because the high, steep and open terrain enables them to see and escape from predators.
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
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Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula Cu Al 6 (PO 4) 4 8 ·4H 2 O.It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its hue.
Every American will recognize this famous symbol -- the golden arches of fast food -- aka McDonald's. Those golden arches turned to turquoise at one McDonalds in Sedona, Arizona. Apparently, gold ...