Labradorite and Rosasite Optical Properties

Labradorite

Rosasite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Pearly

Silky, Vitreous

1.2 Pleochroism

From the Congo

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Not Available

1.5 Refractive Index

1.554-1.5731.672-1.688

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

monoclinic

1.8 Birefringence

0.008-0.0100.139-0.143

0 0.296

1.9 Clarity

Transparent

Not Available

Labradorite and Rosasite Optic Character

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

Labradorite Vs Rhyolite

Labradorite Vs Chrysanthemum Stone

Labradorite and Rosasite Transparency

Similar to their colors, Labradorite and Rosasite 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.