Turquoise - IR Reflectance spectra

• 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

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