×

Shigaite
Shigaite

Pollucite
Pollucite



ADD
Compare
X
Shigaite
X
Pollucite

Shigaite and Pollucite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

Distinct
-

Dispersion

0.050.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5461.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent

Shigaite and Pollucite Optic Character

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

Shigaite and Pollucite Transparency

Similar to their colors, Shigaite and Pollucite 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, Shigaite is while Shigaite is in appearance.