×

Pollucite
Pollucite

Pargasite
Pargasite



ADD
Compare
X
Pollucite
X
Pargasite

Pollucite and Pargasite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.517-1.5251.613-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
monoclinic

Birefringence

-99990.020
0 0.296
👆🏻

Clarity

Transparent
Transparent

Pollucite and Pargasite Optic Character

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

Similar to their colors, Pollucite and Pargasite 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.