Sulphur and Labradorite Optical Properties

Sulphur

Labradorite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly

1.2 Pleochroism

Not Available

From the Congo

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.958-2.2451.554-1.573

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Triclinic

1.8 Birefringence

0.2910.008-0.010

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Transparent

Sulphur and Labradorite Optic Character

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

Compare Yellow Gemstones

Sulphur Vs Tourmaline

Sulphur Vs Verdite

Sulphur Vs Topazolite

Sulphur and Labradorite Transparency

Similar to their colors, Sulphur 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, Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann while Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.