×

Sinhalite
Sinhalite

Lazulite
Lazulite



ADD
Compare
X
Sinhalite
X
Lazulite

Sinhalite and Lazulite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.665-1.7121.604-1.646
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.036-0.0420.031-0.036
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Sinhalite and Lazulite Optic Character

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

Sinhalite and Lazulite Transparency

Similar to their colors, Sinhalite and Lazulite 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, Sinhalite is while Sinhalite is in appearance.