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Zincite
Zincite

Labradorite
Labradorite



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Zincite
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Labradorite

Zincite and Labradorite Optical Properties

Optical Properties

Luster

Subadamantine, Resinous
Vitreous, Pearly

Pleochroism

Very weak
-

Dispersion

0.160.01
0.005 1
👆🏻

Transparency

TransparentRobert C. Kammerling
Transparent, Translucent, Transparent to translucent

Refractive Index

2.013-2.0291.554-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Triclinic

Birefringence

0.0160.008-0.010
0 0.296
👆🏻

Clarity

TransparentRobert C. Kammerling
Transparent

Zincite and Labradorite Optic Character

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

Zincite and Labradorite Transparency

Similar to their colors, Zincite and Labradorite 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, Zincite is TransparentRobert C. Kammerling while Zincite is TransparentRobert C. Kammerling in appearance.