×

Serendibite
Serendibite

Alexandrite
Alexandrite



ADD
Compare
X
Serendibite
X
Alexandrite

Serendibite and Alexandrite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

visible
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Transparent to nearly opaque

Refractive Index

1.696-1.7021.739-1.770
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Triclinic
Orthorhombic

Birefringence

0.0050.007-0.010
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Serendibite and Alexandrite Optic Character

Serendibite and Alexandrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Serendibite and Alexandrite 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 Serendibite and Alexandrite 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. Alexandrite has Biaxial/+ character.

Serendibite and Alexandrite Transparency

Similar to their colors, Serendibite and Alexandrite 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, Serendibite is while Serendibite is in appearance.