Credit: James St. John
License: CC BY 2.0
Credit URL: https://commons.wikimedia.org...
Comments: Turquoise (Ithaca Peak Mine, near Kingman, Arizona, USA)
Credit: Roland Unger
License: CC BY-SA 3.0
Credit URL: https://commons.wikimedia.org...
Comments: The iconic gold burial mask of Tutankhamun, inlaid with turquoise, lapis lazuli, carnelian and coloured glass
Credit: christina rutz
License: CC BY 2.0
Credit URL: https://www.flickr.com...
Comments: Sleeping beauty turquoise earrings
From WordNet3: Turquoise - 1. a blue to grey green mineral consisting of copper aluminum phosphate.