Labradorite and Stichtite Optical Properties

Labradorite

Stichtite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Waxy, Resinous

1.2 Pleochroism

From the Congo

Weak

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent

1.5 Refractive Index

1.554-1.5731.516-1.544

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Trigonal

1.8 Birefringence

0.008-0.0100.026

0 0.296

1.9 Clarity

Transparent

Translucent

Labradorite and Stichtite Optic Character

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

Similar to their colors, Labradorite and Stichtite 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.