

From its discovery in the copper-rich hills near Globe, Arizona in the 1920s to the mine's permanent closure in 2012, Sleeping Beauty turquoise has undergone a transformation from abundant commercial stone to one of the most coveted minerals in the gemological world, with prices increasing 300-400% since the final extraction.
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The Kingman mine in Mohave County, Arizona has operated continuously since the late nineteenth century, producing turquoise in a remarkable color range from sky blue to deep blue-green, with its spider-web matrix specimens ranking among the most valued turquoise in the world.
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