Labradorite and Lazurite Optical Properties

Labradorite

Lazurite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Pearly

Vitreous

1.2 Pleochroism

From the Congo

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.554-1.5731.500

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Isometric

1.8 Birefringence

0.008-0.010Not Available

0 0.296

1.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

Labradorite and Lazurite Optic Character

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

Compare Gems for Aquarius

Labradorite Vs Rhyolite

Labradorite Vs Chrysanthemum Stone

Labradorite Vs Albite

Labradorite and Lazurite Transparency

Similar to their colors, Labradorite and Lazurite 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.