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Turquoise
Turquoise

Lazurite
Lazurite



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Turquoise
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Lazurite

Turquoise and Lazurite Optical Properties

Optical Properties

Luster

Waxy
Vitreous

Pleochroism

Weak
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent, Opaque
-

Refractive Index

1.610-1.6501.500
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Isometric

Birefringence

0.040-9999
0 0.296
👆🏻

Clarity

Translucent
-

Turquoise and Lazurite Optic Character

Turquoise and Lazurite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Turquoise and Lazurite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Turquoise and Lazurite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Turquoise and Lazurite Transparency

Similar to their colors, Turquoise and Lazurite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Turquoise is Translucent and Opaque while Turquoise is Translucent and Opaque in appearance.