Turquoise - IR Reflectance spectra Turquoise Index IR-Reflectance Photoluminescence UV-Vis-NIR Blue: Strongly-greenish-blue turquoise – 14.40 ct – Unknown locality Strongly-greenish-blue turquoise – 2.72 ct – Iran Strongly-greenish-blue turquoise – 2.02 ct slice – Kerman, Iran Greenish-blue turquoise – drilled tumbled stone – Unknown locality Green: Stabilized & dyed yellowish-green turquoise – 1.65 ct – (Turkmenistan) Green turquoise – 0.76 ct slice – Carico Lake, Nevada, USA Green turquoise – 16.27 ct – Carico Lake, Nevada, USA Strongly-greenish-blue turquoise – 14.40 ct – Unknown locality Strongly-greenish-blue turquoise – 2.72 ct – Iran Strongly-greenish-blue turquoise – 2.02 ct slice – Kerman, Iran Greenish-blue turquoise – drilled tumbled stone – Unknown locality Stabilized & dyed yellowish-green turquoise – 1.65 ct – (Turkmenistan) Green turquoise – 0.76 ct slice – Carico Lake, Nevada, USA Green turquoise – 16.27 ct – Carico Lake, Nevada, USA
