×

Anorthite
Anorthite

Eosphorite
Eosphorite



ADD
Compare
X
Anorthite
X
Eosphorite

Anorthite and Eosphorite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

colorless.
Visible: X = yellow; Y = pink; Z = pale pink to colorless

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.575-1.5881.639-1.672
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.012-0.0130.029-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Anorthite and Eosphorite Optic Character

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

Anorthite and Eosphorite Transparency

Similar to their colors, Anorthite and Eosphorite 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, Anorthite is Transparent while Anorthite is Transparent in appearance.