Labradorite and Emerald Optical Properties

Labradorite

Emerald

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Vitreous

1.2 Pleochroism

From the Congo

Strong dichroism: yellow green Lazzarelli

1.3 Dispersion

Albite Optical ..

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0.01

Rank: 28 (Overall)▶

0.01

Rank: 26 (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.554-1.573

1.565-1.602

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Hexagonal

1.8 Birefringence

0.008-0.010

0.0040-0.0070

1.9 Clarity

Transparent

Color grading system

Labradorite and Emerald Optic Character

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

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