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The Cerrillos Turquoise Mines are Ancestral Puebloan turquoise mines located in the Cerrillos Hills, 20 miles (32 km) southwest of Santa Fe, New Mexico. Archeologists believe that most of the turquoise found at Chaco Canyon was mined in the Cerrillos Hills.
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.
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 ...
Bisbee turquoise commonly has a hard chocolate brown colored matrix. Bisbee Blue or Bisbee turquoise refers to the turquoise that comes from copper mines located in the vicinity of Bisbee, Arizona. 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 ...
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 ...
Image credits: historycoolkids The History Cool Kids Instagram account has amassed an impressive 1.5 million followers since its creation in 2016. But the page’s success will come as no surprise ...
North American Indian Jewelry and Adornment: From Prehistory to the Present. New York: Harry N. Abrams, 1999: 170-171. ISBN 0-8109-3689-5. Haley, James L. Apaches: a history and culture portrait. Norman: University of Oklahoma Press, 1997. ISBN 978-0-8061-2978-5. Karasik, Carol. The Turquoise Trail: Native American Jewelry and Culture of the ...
Malachite is a copper carbonate hydroxide mineral, with the formula Cu 2 CO 3 (OH) 2.This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation.