Labradorite and Moissanite Optical Properties

Labradorite

Moissanite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Adamantine

1.2 Pleochroism

From the Congo

NilArthur Thomas

1.3 Dispersion

0.010.10

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.554-1.5732.648-2.691

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

6H polytype

1.8 Birefringence

0.008-0.0100.043

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Labradorite and Moissanite Optic Character

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

Similar to their colors, Labradorite and Moissanite 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.