Labradorite and Turquoise Optical Properties

Labradorite

Turquoise

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Optical Properties

Luster

Vitreous, Pearly

Waxy

Pleochroism

Weak

Dispersion

0.010.03

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Translucent, Opaque

Refractive Index

1.554-1.5731.610-1.650

1 3.25

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Optic Character

Crystal System

Triclinic

Birefringence

0.008-0.0100.040

0 0.296

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Clarity

Transparent

Translucent

Labradorite and Turquoise Optic Character

Labradorite and Turquoise optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Labradorite and Turquoise 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 Labradorite and Turquoise 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.

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Labradorite and Turquoise Transparency

Similar to their colors, Labradorite and Turquoise 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, Labradorite is Transparent, Translucent and Transparent to translucent while Labradorite is Transparent, Translucent and Transparent to translucent in appearance.