×

Pollucite
Pollucite

Sinhalite
Sinhalite



ADD
Compare
X
Pollucite
X
Sinhalite

Pollucite and Sinhalite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

-
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.517-1.5251.665-1.712
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Orthorhombic

Birefringence

-99990.036-0.042
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Pollucite and Sinhalite Optic Character

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

Pollucite and Sinhalite Transparency

Similar to their colors, Pollucite and Sinhalite 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, Pollucite is Transparent and Translucent while Pollucite is Transparent and Translucent in appearance.