×

Elbaite
Elbaite

Annabergite
Annabergite



ADD
Compare
X
Elbaite
X
Annabergite

Elbaite and Annabergite Optical Properties

Optical Properties

Luster

Vitreous
Subadamantine, Pearly

Pleochroism

Pale green
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.614-1.6661.622
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.014-0.0320.065
0 0.296
👆🏻

Clarity

Transparent
-

Elbaite and Annabergite Optic Character

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

Elbaite and Annabergite Transparency

Similar to their colors, Elbaite and Annabergite 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, Elbaite is Transparent while Elbaite is Transparent in appearance.